-9x-79=-x+21

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Solution for -9x-79=-x+21 equation:


Simplifying
-9x + -79 = -1x + 21

Reorder the terms:
-79 + -9x = -1x + 21

Reorder the terms:
-79 + -9x = 21 + -1x

Solving
-79 + -9x = 21 + -1x

Solving for variable 'x'.

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

Add 'x' to each side of the equation.
-79 + -9x + x = 21 + -1x + x

Combine like terms: -9x + x = -8x
-79 + -8x = 21 + -1x + x

Combine like terms: -1x + x = 0
-79 + -8x = 21 + 0
-79 + -8x = 21

Add '79' to each side of the equation.
-79 + 79 + -8x = 21 + 79

Combine like terms: -79 + 79 = 0
0 + -8x = 21 + 79
-8x = 21 + 79

Combine like terms: 21 + 79 = 100
-8x = 100

Divide each side by '-8'.
x = -12.5

Simplifying
x = -12.5

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