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

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


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

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

Reorder the terms:
12 + 4x + -1z = -12

Solving
12 + 4x + -1z = -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 + 4x + -12 + -1z = -12 + -12

Reorder the terms:
12 + -12 + 4x + -1z = -12 + -12

Combine like terms: 12 + -12 = 0
0 + 4x + -1z = -12 + -12
4x + -1z = -12 + -12

Combine like terms: -12 + -12 = -24
4x + -1z = -24

Add 'z' to each side of the equation.
4x + -1z + z = -24 + z

Combine like terms: -1z + z = 0
4x + 0 = -24 + z
4x = -24 + z

Divide each side by '4'.
x = -6 + 0.25z

Simplifying
x = -6 + 0.25z

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