-90+6x=66-7x

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Solution for -90+6x=66-7x equation:


Simplifying
-90 + 6x = 66 + -7x

Solving
-90 + 6x = 66 + -7x

Solving for variable 'x'.

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

Add '7x' to each side of the equation.
-90 + 6x + 7x = 66 + -7x + 7x

Combine like terms: 6x + 7x = 13x
-90 + 13x = 66 + -7x + 7x

Combine like terms: -7x + 7x = 0
-90 + 13x = 66 + 0
-90 + 13x = 66

Add '90' to each side of the equation.
-90 + 90 + 13x = 66 + 90

Combine like terms: -90 + 90 = 0
0 + 13x = 66 + 90
13x = 66 + 90

Combine like terms: 66 + 90 = 156
13x = 156

Divide each side by '13'.
x = 12

Simplifying
x = 12

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