8x-13=x+99

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Solution for 8x-13=x+99 equation:


Simplifying
8x + -13 = x + 99

Reorder the terms:
-13 + 8x = x + 99

Reorder the terms:
-13 + 8x = 99 + x

Solving
-13 + 8x = 99 + x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
-13 + 8x + -1x = 99 + x + -1x

Combine like terms: 8x + -1x = 7x
-13 + 7x = 99 + x + -1x

Combine like terms: x + -1x = 0
-13 + 7x = 99 + 0
-13 + 7x = 99

Add '13' to each side of the equation.
-13 + 13 + 7x = 99 + 13

Combine like terms: -13 + 13 = 0
0 + 7x = 99 + 13
7x = 99 + 13

Combine like terms: 99 + 13 = 112
7x = 112

Divide each side by '7'.
x = 16

Simplifying
x = 16

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