15x-6=3x-42

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Solution for 15x-6=3x-42 equation:


Simplifying
15x + -6 = 3x + -42

Reorder the terms:
-6 + 15x = 3x + -42

Reorder the terms:
-6 + 15x = -42 + 3x

Solving
-6 + 15x = -42 + 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.
-6 + 15x + -3x = -42 + 3x + -3x

Combine like terms: 15x + -3x = 12x
-6 + 12x = -42 + 3x + -3x

Combine like terms: 3x + -3x = 0
-6 + 12x = -42 + 0
-6 + 12x = -42

Add '6' to each side of the equation.
-6 + 6 + 12x = -42 + 6

Combine like terms: -6 + 6 = 0
0 + 12x = -42 + 6
12x = -42 + 6

Combine like terms: -42 + 6 = -36
12x = -36

Divide each side by '12'.
x = -3

Simplifying
x = -3

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