9x-15=x-140

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Solution for 9x-15=x-140 equation: 


Simplifying
9x + -15 = x + -140

Reorder the terms:
-15 + 9x = x + -140

Reorder the terms:
-15 + 9x = -140 + x

Solving
-15 + 9x = -140 + 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.
-15 + 9x + -1x = -140 + x + -1x

Combine like terms: 9x + -1x = 8x
-15 + 8x = -140 + x + -1x

Combine like terms: x + -1x = 0
-15 + 8x = -140 + 0
-15 + 8x = -140

Add '15' to each side of the equation.
-15 + 15 + 8x = -140 + 15

Combine like terms: -15 + 15 = 0
0 + 8x = -140 + 15
8x = -140 + 15

Combine like terms: -140 + 15 = -125
8x = -125

Divide each side by '8'.
x = -15.625

Simplifying
x = -15.625

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