-90=-20x

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Solution for -90=-20x equation:


Simplifying
-90 = -20x

Solving
-90 = -20x

Solving for variable 'x'.

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

Add '20x' to each side of the equation.
-90 + 20x = -20x + 20x

Combine like terms: -20x + 20x = 0
-90 + 20x = 0

Add '90' to each side of the equation.
-90 + 90 + 20x = 0 + 90

Combine like terms: -90 + 90 = 0
0 + 20x = 0 + 90
20x = 0 + 90

Combine like terms: 0 + 90 = 90
20x = 90

Divide each side by '20'.
x = 4.5

Simplifying
x = 4.5

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