13-9x=-87

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Solution for 13-9x=-87 equation: 


Simplifying
13 + -9x = -87

Solving
13 + -9x = -87

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 + -9x = -87 + -13

Combine like terms: 13 + -13 = 0
0 + -9x = -87 + -13
-9x = -87 + -13

Combine like terms: -87 + -13 = -100
-9x = -100

Divide each side by '-9'.
x = 11.11111111

Simplifying
x = 11.11111111

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