Learn math the right way

Master math by understanding every step

Don't just get answers. Learn WHY each step is right—and why other approaches fail.

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Works for any math problem, at any level

✏️

SAT/GRE

Problem

If 2x + 3y = 12 and x - y = 1, find x + y

Choose solving method

CORRECT

Use substitution or elimination

WRONG

Guess and check random values

From x - y = 1, express x

WRONG

y = x + 1

CORRECT

x = y + 1

Substitute into first equation

CORRECT

2(y+1) + 3y = 12 → 5y + 2 = 12

WRONG

2x + 3(x+1) = 12

Solve for y

WRONG

y = 12/5 = 2.4

CORRECT

5y = 10, so y = 2

Find x and compute x + y

CORRECT

x = 2+1 = 3, so x+y = 5

WRONG

x + y = 1 + 2 = 3

Solution

x + y = 5

This is the difference

Other apps just show you the answer. We make you think through each step and understand why wrong approaches fail. That's how real learning happens.

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