-100=-9+7x

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Solution for -100=-9+7x equation:


Simplifying
-100 = -9 + 7x

Solving
-100 = -9 + 7x

Solving for variable 'x'.

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

Add '-7x' to each side of the equation.
-100 + -7x = -9 + 7x + -7x

Combine like terms: 7x + -7x = 0
-100 + -7x = -9 + 0
-100 + -7x = -9

Add '100' to each side of the equation.
-100 + 100 + -7x = -9 + 100

Combine like terms: -100 + 100 = 0
0 + -7x = -9 + 100
-7x = -9 + 100

Combine like terms: -9 + 100 = 91
-7x = 91

Divide each side by '-7'.
x = -13

Simplifying
x = -13

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