9x-12+x+8=66

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Solution for 9x-12+x+8=66 equation:


Simplifying
9x + -12 + x + 8 = 66

Reorder the terms:
-12 + 8 + 9x + x = 66

Combine like terms: -12 + 8 = -4
-4 + 9x + x = 66

Combine like terms: 9x + x = 10x
-4 + 10x = 66

Solving
-4 + 10x = 66

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 + 10x = 66 + 4

Combine like terms: -4 + 4 = 0
0 + 10x = 66 + 4
10x = 66 + 4

Combine like terms: 66 + 4 = 70
10x = 70

Divide each side by '10'.
x = 7

Simplifying
x = 7

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