8x+12+7x-12=90

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Solution for 8x+12+7x-12=90 equation: 


Simplifying
8x + 12 + 7x + -12 = 90

Reorder the terms:
12 + -12 + 8x + 7x = 90

Combine like terms: 12 + -12 = 0
0 + 8x + 7x = 90
8x + 7x = 90

Combine like terms: 8x + 7x = 15x
15x = 90

Solving
15x = 90

Solving for variable 'x'.

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

Divide each side by '15'.
x = 6

Simplifying
x = 6

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