3x+x=8-12

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Solution for 3x+x=8-12 equation:


Simplifying
3x + x = 8 + -12

Combine like terms: 3x + x = 4x
4x = 8 + -12

Combine like terms: 8 + -12 = -4
4x = -4

Solving
4x = -4

Solving for variable 'x'.

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

Divide each side by '4'.
x = -1

Simplifying
x = -1

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