4(z-4)-z=4z-20

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Solution for 4(z-4)-z=4z-20 equation:


Simplifying
4(z + -4) + -1z = 4z + -20

Reorder the terms:
4(-4 + z) + -1z = 4z + -20
(-4 * 4 + z * 4) + -1z = 4z + -20
(-16 + 4z) + -1z = 4z + -20

Combine like terms: 4z + -1z = 3z
-16 + 3z = 4z + -20

Reorder the terms:
-16 + 3z = -20 + 4z

Solving
-16 + 3z = -20 + 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.
-16 + 3z + -4z = -20 + 4z + -4z

Combine like terms: 3z + -4z = -1z
-16 + -1z = -20 + 4z + -4z

Combine like terms: 4z + -4z = 0
-16 + -1z = -20 + 0
-16 + -1z = -20

Add '16' to each side of the equation.
-16 + 16 + -1z = -20 + 16

Combine like terms: -16 + 16 = 0
0 + -1z = -20 + 16
-1z = -20 + 16

Combine like terms: -20 + 16 = -4
-1z = -4

Divide each side by '-1'.
z = 4

Simplifying
z = 4

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