135-3x=42x+20

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Solution for 135-3x=42x+20 equation:


Simplifying
135 + -3x = 42x + 20

Reorder the terms:
135 + -3x = 20 + 42x

Solving
135 + -3x = 20 + 42x

Solving for variable 'x'.

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

Add '-42x' to each side of the equation.
135 + -3x + -42x = 20 + 42x + -42x

Combine like terms: -3x + -42x = -45x
135 + -45x = 20 + 42x + -42x

Combine like terms: 42x + -42x = 0
135 + -45x = 20 + 0
135 + -45x = 20

Add '-135' to each side of the equation.
135 + -135 + -45x = 20 + -135

Combine like terms: 135 + -135 = 0
0 + -45x = 20 + -135
-45x = 20 + -135

Combine like terms: 20 + -135 = -115
-45x = -115

Divide each side by '-45'.
x = 2.555555556

Simplifying
x = 2.555555556

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