-4(1z-3)=-z

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Solution for -4(1z-3)=-z equation:


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

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

Solving
12 + -4z = -1z

Solving for variable 'z'.

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

Add 'z' to each side of the equation.
12 + -4z + z = -1z + z

Combine like terms: -4z + z = -3z
12 + -3z = -1z + z

Combine like terms: -1z + z = 0
12 + -3z = 0

Add '-12' to each side of the equation.
12 + -12 + -3z = 0 + -12

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

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

Divide each side by '-3'.
z = 4

Simplifying
z = 4

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