-90=-5(-2x)

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Solution for -90=-5(-2x) equation:


Simplifying
-90 = -5(-2x)

Remove parenthesis around (-2x)
-90 = -5 * -2x

Multiply -5 * -2
-90 = 10x

Solving
-90 = 10x

Solving for variable 'x'.

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

Add '-10x' to each side of the equation.
-90 + -10x = 10x + -10x

Combine like terms: 10x + -10x = 0
-90 + -10x = 0

Add '90' to each side of the equation.
-90 + 90 + -10x = 0 + 90

Combine like terms: -90 + 90 = 0
0 + -10x = 0 + 90
-10x = 0 + 90

Combine like terms: 0 + 90 = 90
-10x = 90

Divide each side by '-10'.
x = -9

Simplifying
x = -9

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