100=-5x+(-7)

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Solution for 100=-5x+(-7) equation:


Simplifying
100 = -5x + (-7)
100 = -5x + -7

Reorder the terms:
100 = -7 + -5x

Solving
100 = -7 + -5x

Solving for variable 'x'.

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

Add '5x' to each side of the equation.
100 + 5x = -7 + -5x + 5x

Combine like terms: -5x + 5x = 0
100 + 5x = -7 + 0
100 + 5x = -7

Add '-100' to each side of the equation.
100 + -100 + 5x = -7 + -100

Combine like terms: 100 + -100 = 0
0 + 5x = -7 + -100
5x = -7 + -100

Combine like terms: -7 + -100 = -107
5x = -107

Divide each side by '5'.
x = -21.4

Simplifying
x = -21.4

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