7x-4+2x+8=112

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Solution for 7x-4+2x+8=112 equation:


Simplifying
7x + -4 + 2x + 8 = 112

Reorder the terms:
-4 + 8 + 7x + 2x = 112

Combine like terms: -4 + 8 = 4
4 + 7x + 2x = 112

Combine like terms: 7x + 2x = 9x
4 + 9x = 112

Solving
4 + 9x = 112

Solving for variable 'x'.

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

Add '-4' to each side of the equation.
4 + -4 + 9x = 112 + -4

Combine like terms: 4 + -4 = 0
0 + 9x = 112 + -4
9x = 112 + -4

Combine like terms: 112 + -4 = 108
9x = 108

Divide each side by '9'.
x = 12

Simplifying
x = 12

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