8+7x+6x=99

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Solution for 8+7x+6x=99 equation: 


Simplifying
8 + 7x + 6x = 99

Combine like terms: 7x + 6x = 13x
8 + 13x = 99

Solving
8 + 13x = 99

Solving for variable 'x'.

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

Add '-8' to each side of the equation.
8 + -8 + 13x = 99 + -8

Combine like terms: 8 + -8 = 0
0 + 13x = 99 + -8
13x = 99 + -8

Combine like terms: 99 + -8 = 91
13x = 91

Divide each side by '13'.
x = 7

Simplifying
x = 7

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