-8x-12=7x-42

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Solution for -8x-12=7x-42 equation:


Simplifying
-8x + -12 = 7x + -42

Reorder the terms:
-12 + -8x = 7x + -42

Reorder the terms:
-12 + -8x = -42 + 7x

Solving
-12 + -8x = -42 + 7x

Solving for variable 'x'.

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

Add '-7x' to each side of the equation.
-12 + -8x + -7x = -42 + 7x + -7x

Combine like terms: -8x + -7x = -15x
-12 + -15x = -42 + 7x + -7x

Combine like terms: 7x + -7x = 0
-12 + -15x = -42 + 0
-12 + -15x = -42

Add '12' to each side of the equation.
-12 + 12 + -15x = -42 + 12

Combine like terms: -12 + 12 = 0
0 + -15x = -42 + 12
-15x = -42 + 12

Combine like terms: -42 + 12 = -30
-15x = -30

Divide each side by '-15'.
x = 2

Simplifying
x = 2

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