42x-8=3x-12

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Solution for 42x-8=3x-12 equation:


Simplifying
42x + -8 = 3x + -12

Reorder the terms:
-8 + 42x = 3x + -12

Reorder the terms:
-8 + 42x = -12 + 3x

Solving
-8 + 42x = -12 + 3x

Solving for variable 'x'.

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

Add '-3x' to each side of the equation.
-8 + 42x + -3x = -12 + 3x + -3x

Combine like terms: 42x + -3x = 39x
-8 + 39x = -12 + 3x + -3x

Combine like terms: 3x + -3x = 0
-8 + 39x = -12 + 0
-8 + 39x = -12

Add '8' to each side of the equation.
-8 + 8 + 39x = -12 + 8

Combine like terms: -8 + 8 = 0
0 + 39x = -12 + 8
39x = -12 + 8

Combine like terms: -12 + 8 = -4
39x = -4

Divide each side by '39'.
x = -0.1025641026

Simplifying
x = -0.1025641026

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