-121-9x=8x+15

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Solution for -121-9x=8x+15 equation:


Simplifying
-121 + -9x = 8x + 15

Reorder the terms:
-121 + -9x = 15 + 8x

Solving
-121 + -9x = 15 + 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.
-121 + -9x + -8x = 15 + 8x + -8x

Combine like terms: -9x + -8x = -17x
-121 + -17x = 15 + 8x + -8x

Combine like terms: 8x + -8x = 0
-121 + -17x = 15 + 0
-121 + -17x = 15

Add '121' to each side of the equation.
-121 + 121 + -17x = 15 + 121

Combine like terms: -121 + 121 = 0
0 + -17x = 15 + 121
-17x = 15 + 121

Combine like terms: 15 + 121 = 136
-17x = 136

Divide each side by '-17'.
x = -8

Simplifying
x = -8

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