-100=5(x-7)+8x

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Solution for -100=5(x-7)+8x equation:


Simplifying
-100 = 5(x + -7) + 8x

Reorder the terms:
-100 = 5(-7 + x) + 8x
-100 = (-7 * 5 + x * 5) + 8x
-100 = (-35 + 5x) + 8x

Combine like terms: 5x + 8x = 13x
-100 = -35 + 13x

Solving
-100 = -35 + 13x

Solving for variable 'x'.

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

Add '-13x' to each side of the equation.
-100 + -13x = -35 + 13x + -13x

Combine like terms: 13x + -13x = 0
-100 + -13x = -35 + 0
-100 + -13x = -35

Add '100' to each side of the equation.
-100 + 100 + -13x = -35 + 100

Combine like terms: -100 + 100 = 0
0 + -13x = -35 + 100
-13x = -35 + 100

Combine like terms: -35 + 100 = 65
-13x = 65

Divide each side by '-13'.
x = -5

Simplifying
x = -5

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