4x+20=12x-85

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Solution for 4x+20=12x-85 equation:


Simplifying
4x + 20 = 12x + -85

Reorder the terms:
20 + 4x = 12x + -85

Reorder the terms:
20 + 4x = -85 + 12x

Solving
20 + 4x = -85 + 12x

Solving for variable 'x'.

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

Add '-12x' to each side of the equation.
20 + 4x + -12x = -85 + 12x + -12x

Combine like terms: 4x + -12x = -8x
20 + -8x = -85 + 12x + -12x

Combine like terms: 12x + -12x = 0
20 + -8x = -85 + 0
20 + -8x = -85

Add '-20' to each side of the equation.
20 + -20 + -8x = -85 + -20

Combine like terms: 20 + -20 = 0
0 + -8x = -85 + -20
-8x = -85 + -20

Combine like terms: -85 + -20 = -105
-8x = -105

Divide each side by '-8'.
x = 13.125

Simplifying
x = 13.125

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