-4x+9=85

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Solution for -4x+9=85 equation: 


Simplifying
-4x + 9 = 85

Reorder the terms:
9 + -4x = 85

Solving
9 + -4x = 85

Solving for variable 'x'.

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

Add '-9' to each side of the equation.
9 + -9 + -4x = 85 + -9

Combine like terms: 9 + -9 = 0
0 + -4x = 85 + -9
-4x = 85 + -9

Combine like terms: 85 + -9 = 76
-4x = 76

Divide each side by '-4'.
x = -19

Simplifying
x = -19

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