9-7x=4x+31

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Solution for 9-7x=4x+31 equation:


Simplifying
9 + -7x = 4x + 31

Reorder the terms:
9 + -7x = 31 + 4x

Solving
9 + -7x = 31 + 4x

Solving for variable 'x'.

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

Add '-4x' to each side of the equation.
9 + -7x + -4x = 31 + 4x + -4x

Combine like terms: -7x + -4x = -11x
9 + -11x = 31 + 4x + -4x

Combine like terms: 4x + -4x = 0
9 + -11x = 31 + 0
9 + -11x = 31

Add '-9' to each side of the equation.
9 + -9 + -11x = 31 + -9

Combine like terms: 9 + -9 = 0
0 + -11x = 31 + -9
-11x = 31 + -9

Combine like terms: 31 + -9 = 22
-11x = 22

Divide each side by '-11'.
x = -2

Simplifying
x = -2

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