5x+7+4x=115

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Solution for 5x+7+4x=115 equation:


Simplifying
5x + 7 + 4x = 115

Reorder the terms:
7 + 5x + 4x = 115

Combine like terms: 5x + 4x = 9x
7 + 9x = 115

Solving
7 + 9x = 115

Solving for variable 'x'.

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

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

Combine like terms: 7 + -7 = 0
0 + 9x = 115 + -7
9x = 115 + -7

Combine like terms: 115 + -7 = 108
9x = 108

Divide each side by '9'.
x = 12

Simplifying
x = 12

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