80=4(z-78)

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Solution for 80=4(z-78) equation:


Simplifying
80 = 4(z + -78)

Reorder the terms:
80 = 4(-78 + z)
80 = (-78 * 4 + z * 4)
80 = (-312 + 4z)

Solving
80 = -312 + 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 = -312 + 4z + -4z

Combine like terms: 4z + -4z = 0
80 + -4z = -312 + 0
80 + -4z = -312

Add '-80' to each side of the equation.
80 + -80 + -4z = -312 + -80

Combine like terms: 80 + -80 = 0
0 + -4z = -312 + -80
-4z = -312 + -80

Combine like terms: -312 + -80 = -392
-4z = -392

Divide each side by '-4'.
z = 98

Simplifying
z = 98

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