-x+4(x+3)=(-12)

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


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

Reorder the terms:
-1x + 4(3 + x) = (-12)
-1x + (3 * 4 + x * 4) = (-12)
-1x + (12 + 4x) = (-12)

Reorder the terms:
12 + -1x + 4x = (-12)

Combine like terms: -1x + 4x = 3x
12 + 3x = (-12)
12 + 3x = -12

Solving
12 + 3x = -12

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 + 3x = -12 + -12

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

Combine like terms: -12 + -12 = -24
3x = -24

Divide each side by '3'.
x = -8

Simplifying
x = -8

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