12x-20=42x+4

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Solution for 12x-20=42x+4 equation:


Simplifying
12x + -20 = 42x + 4

Reorder the terms:
-20 + 12x = 42x + 4

Reorder the terms:
-20 + 12x = 4 + 42x

Solving
-20 + 12x = 4 + 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.
-20 + 12x + -42x = 4 + 42x + -42x

Combine like terms: 12x + -42x = -30x
-20 + -30x = 4 + 42x + -42x

Combine like terms: 42x + -42x = 0
-20 + -30x = 4 + 0
-20 + -30x = 4

Add '20' to each side of the equation.
-20 + 20 + -30x = 4 + 20

Combine like terms: -20 + 20 = 0
0 + -30x = 4 + 20
-30x = 4 + 20

Combine like terms: 4 + 20 = 24
-30x = 24

Divide each side by '-30'.
x = -0.8

Simplifying
x = -0.8

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