-x-8=30

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Solution for -x-8=30 equation: 


Simplifying
-1x + -8 = 30

Reorder the terms:
-8 + -1x = 30

Solving
-8 + -1x = 30

Solving for variable 'x'.

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

Add '8' to each side of the equation.
-8 + 8 + -1x = 30 + 8

Combine like terms: -8 + 8 = 0
0 + -1x = 30 + 8
-1x = 30 + 8

Combine like terms: 30 + 8 = 38
-1x = 38

Divide each side by '-1'.
x = -38

Simplifying
x = -38

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