3x+4=x-20

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Solution for 3x+4=x-20 equation:


Simplifying
3x + 4 = x + -20

Reorder the terms:
4 + 3x = x + -20

Reorder the terms:
4 + 3x = -20 + x

Solving
4 + 3x = -20 + x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
4 + 3x + -1x = -20 + x + -1x

Combine like terms: 3x + -1x = 2x
4 + 2x = -20 + x + -1x

Combine like terms: x + -1x = 0
4 + 2x = -20 + 0
4 + 2x = -20

Add '-4' to each side of the equation.
4 + -4 + 2x = -20 + -4

Combine like terms: 4 + -4 = 0
0 + 2x = -20 + -4
2x = -20 + -4

Combine like terms: -20 + -4 = -24
2x = -24

Divide each side by '2'.
x = -12

Simplifying
x = -12

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