8x+7=x-42

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


Simplifying
8x + 7 = x + -42

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

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

Solving
7 + 8x = -42 + x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
7 + 8x + -1x = -42 + x + -1x

Combine like terms: 8x + -1x = 7x
7 + 7x = -42 + x + -1x

Combine like terms: x + -1x = 0
7 + 7x = -42 + 0
7 + 7x = -42

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

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

Combine like terms: -42 + -7 = -49
7x = -49

Divide each side by '7'.
x = -7

Simplifying
x = -7

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