Zakarian GMAT
GMAT preparation
Know what to study next. A structured course with focused practice, spaced review, and clear progress tracking.
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Today's mission
Work through linear equations
Read the algebra sample, then work through a question from the question bank.
Open the algebra samplePractice / Linear Equations
If 3x + 7 = 22, what is the value of 6x + 5?
Reveal answer and explanation
Answer C
Rather than solving for x, we exploit the structural relationship between the given equation and the requested expression. Let x denote the unknown quantity. The given condition is that 3x + 7 = 22. Subtracting 7 from both sides yields 3x = 15. Since 6x + 5 = 2(3x) + 5, we substitute the value of 3x directly: 2(15) + 5 = 30 + 5 = 35. The value of x is never needed individually.
The correct answer is C.
- Founder's journey
- 565 to 735
- Interactive chapters
- 62
- Supporting readings
- 29
- Original bank questions
- 2,007
From a lesson to your next review
Read the method
The algebra sample explains linear equations and systems, with worked examples.
Read algebraInspect the mistake
In the example above, choosing 30 drops the final +5. The question's explanation identifies that exact trap.
Revisit what needs work
In the platform, practice history feeds the review queue. Misses return for correction; correct answers can return for retention. This public example does not create a review item.
The curriculum
Five phases, one guided path
Foundations
Arithmetic, core reasoning, and section mechanics.
Strategy
Backsolving, estimation, and answer-choice tactics.
Core topics
Quant, Verbal, and Data Insights in rotation.
Advanced work
Counting, probability, argument structure, and mixed reasoning.
Timing
Pacing, mixed sets, and exam review.
Founder's experience
Adam Zakarian
Adam's preparation moved from a 565 official-practice baseline in April 2025 to a 735 official GMAT Focus result in December 2025. That experience informed this platform's emphasis on structured study and mistake review.
Read the founder storyA personal result, not a claim about typical student improvement.
- 565Official practice baselineApril 2025
- 675First official GMAT Focus examNovember 2025
- 735Second official GMAT Focus examDecember 2025
Choose your level of support
All plans include the platform. Prices are in USD, paid once; access starts at purchase. Checkout is closed during early release. Founding-rate reservations do not take payment.
Self-Study
$4294 months of platform access
Independent study
Mentorship
$5996 months of platform access
Includes Self-Study + WhatsApp Q&A
Coaching
$2,5006 months of platform access
WhatsApp Q&A + 8 coaching sessions
Intensive
$4,20012 months of platform access
WhatsApp Q&A + 16 coaching sessions
Before you begin
MBA and business master's applicants who want a reading-first curriculum, focused practice, and a regular review routine.
No. Quant begins with arithmetic foundations before moving to strategies and more complex topics.
New accounts start a 7-day trial without a card. During early release, full access continues beyond those seven days while the paywall is off. Checkout is not yet open.
No. Your outcome depends on your starting point, preparation, and test-day performance. The founder's score journey is one personal experience, not a typical student result.
Self-Study and Mentorship have a 14-day money-back guarantee. Coaching and Intensive are fully refundable before the first session. See the Refund Policy for the complete terms.
The error-log template
A free spreadsheet for recording mistakes with the platform's six-tag taxonomy. Get the download link; study emails are optional.
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Start with your first chapter
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