3(4-x)+x=0

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Solution for 3(4-x)+x=0 equation:


Simplifying
3(4 + -1x) + x = 0
(4 * 3 + -1x * 3) + x = 0
(12 + -3x) + x = 0

Combine like terms: -3x + x = -2x
12 + -2x = 0

Solving
12 + -2x = 0

Solving for variable 'x'.

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

Add '-12' to each side of the equation.
12 + -12 + -2x = 0 + -12

Combine like terms: 12 + -12 = 0
0 + -2x = 0 + -12
-2x = 0 + -12

Combine like terms: 0 + -12 = -12
-2x = -12

Divide each side by '-2'.
x = 6

Simplifying
x = 6

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