18-4x=3x-31

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Solution for 18-4x=3x-31 equation:


Simplifying
18 + -4x = 3x + -31

Reorder the terms:
18 + -4x = -31 + 3x

Solving
18 + -4x = -31 + 3x

Solving for variable 'x'.

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

Add '-3x' to each side of the equation.
18 + -4x + -3x = -31 + 3x + -3x

Combine like terms: -4x + -3x = -7x
18 + -7x = -31 + 3x + -3x

Combine like terms: 3x + -3x = 0
18 + -7x = -31 + 0
18 + -7x = -31

Add '-18' to each side of the equation.
18 + -18 + -7x = -31 + -18

Combine like terms: 18 + -18 = 0
0 + -7x = -31 + -18
-7x = -31 + -18

Combine like terms: -31 + -18 = -49
-7x = -49

Divide each side by '-7'.
x = 7

Simplifying
x = 7

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