12-8z-16=7z+40-4z

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Solution for 12-8z-16=7z+40-4z equation:


Simplifying
12 + -8z + -16 = 7z + 40 + -4z

Reorder the terms:
12 + -16 + -8z = 7z + 40 + -4z

Combine like terms: 12 + -16 = -4
-4 + -8z = 7z + 40 + -4z

Reorder the terms:
-4 + -8z = 40 + 7z + -4z

Combine like terms: 7z + -4z = 3z
-4 + -8z = 40 + 3z

Solving
-4 + -8z = 40 + 3z

Solving for variable 'z'.

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

Add '-3z' to each side of the equation.
-4 + -8z + -3z = 40 + 3z + -3z

Combine like terms: -8z + -3z = -11z
-4 + -11z = 40 + 3z + -3z

Combine like terms: 3z + -3z = 0
-4 + -11z = 40 + 0
-4 + -11z = 40

Add '4' to each side of the equation.
-4 + 4 + -11z = 40 + 4

Combine like terms: -4 + 4 = 0
0 + -11z = 40 + 4
-11z = 40 + 4

Combine like terms: 40 + 4 = 44
-11z = 44

Divide each side by '-11'.
z = -4

Simplifying
z = -4

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