-7x+13=-99

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Solution for -7x+13=-99 equation: 


Simplifying
-7x + 13 = -99

Reorder the terms:
13 + -7x = -99

Solving
13 + -7x = -99

Solving for variable 'x'.

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

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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