9x-20=2x+15

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Solution for 9x-20=2x+15 equation:


Simplifying
9x + -20 = 2x + 15

Reorder the terms:
-20 + 9x = 2x + 15

Reorder the terms:
-20 + 9x = 15 + 2x

Solving
-20 + 9x = 15 + 2x

Solving for variable 'x'.

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

Add '-2x' to each side of the equation.
-20 + 9x + -2x = 15 + 2x + -2x

Combine like terms: 9x + -2x = 7x
-20 + 7x = 15 + 2x + -2x

Combine like terms: 2x + -2x = 0
-20 + 7x = 15 + 0
-20 + 7x = 15

Add '20' to each side of the equation.
-20 + 20 + 7x = 15 + 20

Combine like terms: -20 + 20 = 0
0 + 7x = 15 + 20
7x = 15 + 20

Combine like terms: 15 + 20 = 35
7x = 35

Divide each side by '7'.
x = 5

Simplifying
x = 5

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