9x-2=7x+20

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Solution for 9x-2=7x+20 equation:


Simplifying
9x + -2 = 7x + 20

Reorder the terms:
-2 + 9x = 7x + 20

Reorder the terms:
-2 + 9x = 20 + 7x

Solving
-2 + 9x = 20 + 7x

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-7x' to each side of the equation.
-2 + 9x + -7x = 20 + 7x + -7x

Combine like terms: 9x + -7x = 2x
-2 + 2x = 20 + 7x + -7x

Combine like terms: 7x + -7x = 0
-2 + 2x = 20 + 0
-2 + 2x = 20

Add '2' to each side of the equation.
-2 + 2 + 2x = 20 + 2

Combine like terms: -2 + 2 = 0
0 + 2x = 20 + 2
2x = 20 + 2

Combine like terms: 20 + 2 = 22
2x = 22

Divide each side by '2'.
x = 11

Simplifying
x = 11

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