15-(4z+3)=12+z

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Solution for 15-(4z+3)=12+z equation:


Simplifying
15 + -1(4z + 3) = 12 + z

Reorder the terms:
15 + -1(3 + 4z) = 12 + z
15 + (3 * -1 + 4z * -1) = 12 + z
15 + (-3 + -4z) = 12 + z

Combine like terms: 15 + -3 = 12
12 + -4z = 12 + z

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

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

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

Solving
-4z = z

Solving for variable 'z'.

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

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

Combine like terms: -4z + -1z = -5z
-5z = z + -1z

Combine like terms: z + -1z = 0
-5z = 0

Divide each side by '-5'.
z = 0

Simplifying
z = 0

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