-9=2x+31

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Solution for -9=2x+31 equation:


Simplifying
-9 = 2x + 31

Reorder the terms:
-9 = 31 + 2x

Solving
-9 = 31 + 2x

Solving for variable 'x'.

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

Add '-2x' to each side of the equation.
-9 + -2x = 31 + 2x + -2x

Combine like terms: 2x + -2x = 0
-9 + -2x = 31 + 0
-9 + -2x = 31

Add '9' to each side of the equation.
-9 + 9 + -2x = 31 + 9

Combine like terms: -9 + 9 = 0
0 + -2x = 31 + 9
-2x = 31 + 9

Combine like terms: 31 + 9 = 40
-2x = 40

Divide each side by '-2'.
x = -20

Simplifying
x = -20

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