4x-4=13x-85

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Solution for 4x-4=13x-85 equation:


Simplifying
4x + -4 = 13x + -85

Reorder the terms:
-4 + 4x = 13x + -85

Reorder the terms:
-4 + 4x = -85 + 13x

Solving
-4 + 4x = -85 + 13x

Solving for variable 'x'.

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

Add '-13x' to each side of the equation.
-4 + 4x + -13x = -85 + 13x + -13x

Combine like terms: 4x + -13x = -9x
-4 + -9x = -85 + 13x + -13x

Combine like terms: 13x + -13x = 0
-4 + -9x = -85 + 0
-4 + -9x = -85

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

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

Combine like terms: -85 + 4 = -81
-9x = -81

Divide each side by '-9'.
x = 9

Simplifying
x = 9

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