8x-4=x-31

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Solution for 8x-4=x-31 equation:


Simplifying
8x + -4 = x + -31

Reorder the terms:
-4 + 8x = x + -31

Reorder the terms:
-4 + 8x = -31 + x

Solving
-4 + 8x = -31 + 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.
-4 + 8x + -1x = -31 + x + -1x

Combine like terms: 8x + -1x = 7x
-4 + 7x = -31 + x + -1x

Combine like terms: x + -1x = 0
-4 + 7x = -31 + 0
-4 + 7x = -31

Add '4' to each side of the equation.
-4 + 4 + 7x = -31 + 4

Combine like terms: -4 + 4 = 0
0 + 7x = -31 + 4
7x = -31 + 4

Combine like terms: -31 + 4 = -27
7x = -27

Divide each side by '7'.
x = -3.857142857

Simplifying
x = -3.857142857

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