89=9-4x

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Solution for 89=9-4x equation:


Simplifying
89 = 9 + -4x

Solving
89 = 9 + -4x

Solving for variable 'x'.

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

Add '4x' to each side of the equation.
89 + 4x = 9 + -4x + 4x

Combine like terms: -4x + 4x = 0
89 + 4x = 9 + 0
89 + 4x = 9

Add '-89' to each side of the equation.
89 + -89 + 4x = 9 + -89

Combine like terms: 89 + -89 = 0
0 + 4x = 9 + -89
4x = 9 + -89

Combine like terms: 9 + -89 = -80
4x = -80

Divide each side by '4'.
x = -20

Simplifying
x = -20

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