-151-9x=1-x+20

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Solution for -151-9x=1-x+20 equation:


Simplifying
-151 + -9x = 1 + -1x + 20

Reorder the terms:
-151 + -9x = 1 + 20 + -1x

Combine like terms: 1 + 20 = 21
-151 + -9x = 21 + -1x

Solving
-151 + -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.
-151 + -9x + x = 21 + -1x + x

Combine like terms: -9x + x = -8x
-151 + -8x = 21 + -1x + x

Combine like terms: -1x + x = 0
-151 + -8x = 21 + 0
-151 + -8x = 21

Add '151' to each side of the equation.
-151 + 151 + -8x = 21 + 151

Combine like terms: -151 + 151 = 0
0 + -8x = 21 + 151
-8x = 21 + 151

Combine like terms: 21 + 151 = 172
-8x = 172

Divide each side by '-8'.
x = -21.5

Simplifying
x = -21.5

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