-100=-7x-x-4

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Solution for -100=-7x-x-4 equation:


Simplifying
-100 = -7x + -1x + -4

Reorder the terms:
-100 = -4 + -7x + -1x

Combine like terms: -7x + -1x = -8x
-100 = -4 + -8x

Solving
-100 = -4 + -8x

Solving for variable 'x'.

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

Add '8x' to each side of the equation.
-100 + 8x = -4 + -8x + 8x

Combine like terms: -8x + 8x = 0
-100 + 8x = -4 + 0
-100 + 8x = -4

Add '100' to each side of the equation.
-100 + 100 + 8x = -4 + 100

Combine like terms: -100 + 100 = 0
0 + 8x = -4 + 100
8x = -4 + 100

Combine like terms: -4 + 100 = 96
8x = 96

Divide each side by '8'.
x = 12

Simplifying
x = 12

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