7x-99=57-6x

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Solution for 7x-99=57-6x equation:


Simplifying
7x + -99 = 57 + -6x

Reorder the terms:
-99 + 7x = 57 + -6x

Solving
-99 + 7x = 57 + -6x

Solving for variable 'x'.

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

Add '6x' to each side of the equation.
-99 + 7x + 6x = 57 + -6x + 6x

Combine like terms: 7x + 6x = 13x
-99 + 13x = 57 + -6x + 6x

Combine like terms: -6x + 6x = 0
-99 + 13x = 57 + 0
-99 + 13x = 57

Add '99' to each side of the equation.
-99 + 99 + 13x = 57 + 99

Combine like terms: -99 + 99 = 0
0 + 13x = 57 + 99
13x = 57 + 99

Combine like terms: 57 + 99 = 156
13x = 156

Divide each side by '13'.
x = 12

Simplifying
x = 12

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