-3x-7+x=9x+20-8x

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Solution for -3x-7+x=9x+20-8x equation:


Simplifying
-3x + -7 + x = 9x + 20 + -8x

Reorder the terms:
-7 + -3x + x = 9x + 20 + -8x

Combine like terms: -3x + x = -2x
-7 + -2x = 9x + 20 + -8x

Reorder the terms:
-7 + -2x = 20 + 9x + -8x

Combine like terms: 9x + -8x = 1x
-7 + -2x = 20 + 1x

Solving
-7 + -2x = 20 + 1x

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.
-7 + -2x + -1x = 20 + 1x + -1x

Combine like terms: -2x + -1x = -3x
-7 + -3x = 20 + 1x + -1x

Combine like terms: 1x + -1x = 0
-7 + -3x = 20 + 0
-7 + -3x = 20

Add '7' to each side of the equation.
-7 + 7 + -3x = 20 + 7

Combine like terms: -7 + 7 = 0
0 + -3x = 20 + 7
-3x = 20 + 7

Combine like terms: 20 + 7 = 27
-3x = 27

Divide each side by '-3'.
x = -9

Simplifying
x = -9

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