-31-10x=7x+20

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Solution for -31-10x=7x+20 equation:


Simplifying
-31 + -10x = 7x + 20

Reorder the terms:
-31 + -10x = 20 + 7x

Solving
-31 + -10x = 20 + 7x

Solving for variable 'x'.

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

Add '-7x' to each side of the equation.
-31 + -10x + -7x = 20 + 7x + -7x

Combine like terms: -10x + -7x = -17x
-31 + -17x = 20 + 7x + -7x

Combine like terms: 7x + -7x = 0
-31 + -17x = 20 + 0
-31 + -17x = 20

Add '31' to each side of the equation.
-31 + 31 + -17x = 20 + 31

Combine like terms: -31 + 31 = 0
0 + -17x = 20 + 31
-17x = 20 + 31

Combine like terms: 20 + 31 = 51
-17x = 51

Divide each side by '-17'.
x = -3

Simplifying
x = -3

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