-(-90)=-45x

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Solution for -(-90)=-45x equation:


Simplifying
-1(-90) = -45x

Multiply -1 * -90
90 = -45x

Solving
90 = -45x

Solving for variable 'x'.

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

Add '45x' to each side of the equation.
90 + 45x = -45x + 45x

Combine like terms: -45x + 45x = 0
90 + 45x = 0

Add '-90' to each side of the equation.
90 + -90 + 45x = 0 + -90

Combine like terms: 90 + -90 = 0
0 + 45x = 0 + -90
45x = 0 + -90

Combine like terms: 0 + -90 = -90
45x = -90

Divide each side by '45'.
x = -2

Simplifying
x = -2

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