-2x+5(-2x-4)=100

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Solution for -2x+5(-2x-4)=100 equation:


Simplifying
-2x + 5(-2x + -4) = 100

Reorder the terms:
-2x + 5(-4 + -2x) = 100
-2x + (-4 * 5 + -2x * 5) = 100
-2x + (-20 + -10x) = 100

Reorder the terms:
-20 + -2x + -10x = 100

Combine like terms: -2x + -10x = -12x
-20 + -12x = 100

Solving
-20 + -12x = 100

Solving for variable 'x'.

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

Add '20' to each side of the equation.
-20 + 20 + -12x = 100 + 20

Combine like terms: -20 + 20 = 0
0 + -12x = 100 + 20
-12x = 100 + 20

Combine like terms: 100 + 20 = 120
-12x = 120

Divide each side by '-12'.
x = -10

Simplifying
x = -10

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