-123-10x=8x+21

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Solution for -123-10x=8x+21 equation:


Simplifying
-123 + -10x = 8x + 21

Reorder the terms:
-123 + -10x = 21 + 8x

Solving
-123 + -10x = 21 + 8x

Solving for variable 'x'.

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

Add '-8x' to each side of the equation.
-123 + -10x + -8x = 21 + 8x + -8x

Combine like terms: -10x + -8x = -18x
-123 + -18x = 21 + 8x + -8x

Combine like terms: 8x + -8x = 0
-123 + -18x = 21 + 0
-123 + -18x = 21

Add '123' to each side of the equation.
-123 + 123 + -18x = 21 + 123

Combine like terms: -123 + 123 = 0
0 + -18x = 21 + 123
-18x = 21 + 123

Combine like terms: 21 + 123 = 144
-18x = 144

Divide each side by '-18'.
x = -8

Simplifying
x = -8

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