9x-115=3x-7

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Solution for 9x-115=3x-7 equation:


Simplifying
9x + -115 = 3x + -7

Reorder the terms:
-115 + 9x = 3x + -7

Reorder the terms:
-115 + 9x = -7 + 3x

Solving
-115 + 9x = -7 + 3x

Solving for variable 'x'.

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

Add '-3x' to each side of the equation.
-115 + 9x + -3x = -7 + 3x + -3x

Combine like terms: 9x + -3x = 6x
-115 + 6x = -7 + 3x + -3x

Combine like terms: 3x + -3x = 0
-115 + 6x = -7 + 0
-115 + 6x = -7

Add '115' to each side of the equation.
-115 + 115 + 6x = -7 + 115

Combine like terms: -115 + 115 = 0
0 + 6x = -7 + 115
6x = -7 + 115

Combine like terms: -7 + 115 = 108
6x = 108

Divide each side by '6'.
x = 18

Simplifying
x = 18

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