90=10-10x

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Solution for 90=10-10x equation: 


Simplifying
90 = 10 + -10x

Solving
90 = 10 + -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 = 10 + -10x + 10x

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

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

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

Combine like terms: 10 + -90 = -80
10x = -80

Divide each side by '10'.
x = -8

Simplifying
x = -8

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