-3(4)-12=x

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Solution for -3(4)-12=x equation:


Simplifying
-3(4) + -12 = x

Multiply -3 * 4
-12 + -12 = x

Combine like terms: -12 + -12 = -24
-24 = x

Solving
-24 = 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.
-24 + -1x = x + -1x

Combine like terms: x + -1x = 0
-24 + -1x = 0

Add '24' to each side of the equation.
-24 + 24 + -1x = 0 + 24

Combine like terms: -24 + 24 = 0
0 + -1x = 0 + 24
-1x = 0 + 24

Combine like terms: 0 + 24 = 24
-1x = 24

Divide each side by '-1'.
x = -24

Simplifying
x = -24

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