3-4x=3x+31

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


Simplifying
3 + -4x = 3x + 31

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

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

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

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

Add '-3' to each side of the equation.
3 + -3 + -7x = 31 + -3

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

Combine like terms: 31 + -3 = 28
-7x = 28

Divide each side by '-7'.
x = -4

Simplifying
x = -4

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