80=4(z-77)+64

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Solution for 80=4(z-77)+64 equation:


Simplifying
80 = 4(z + -77) + 64

Reorder the terms:
80 = 4(-77 + z) + 64
80 = (-77 * 4 + z * 4) + 64
80 = (-308 + 4z) + 64

Reorder the terms:
80 = -308 + 64 + 4z

Combine like terms: -308 + 64 = -244
80 = -244 + 4z

Solving
80 = -244 + 4z

Solving for variable 'z'.

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

Add '-4z' to each side of the equation.
80 + -4z = -244 + 4z + -4z

Combine like terms: 4z + -4z = 0
80 + -4z = -244 + 0
80 + -4z = -244

Add '-80' to each side of the equation.
80 + -80 + -4z = -244 + -80

Combine like terms: 80 + -80 = 0
0 + -4z = -244 + -80
-4z = -244 + -80

Combine like terms: -244 + -80 = -324
-4z = -324

Divide each side by '-4'.
z = 81

Simplifying
z = 81

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