8z-2=4z-40

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Solution for 8z-2=4z-40 equation: 


Simplifying
8z + -2 = 4z + -40

Reorder the terms:
-2 + 8z = 4z + -40

Reorder the terms:
-2 + 8z = -40 + 4z

Solving
-2 + 8z = -40 + 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.
-2 + 8z + -4z = -40 + 4z + -4z

Combine like terms: 8z + -4z = 4z
-2 + 4z = -40 + 4z + -4z

Combine like terms: 4z + -4z = 0
-2 + 4z = -40 + 0
-2 + 4z = -40

Add '2' to each side of the equation.
-2 + 2 + 4z = -40 + 2

Combine like terms: -2 + 2 = 0
0 + 4z = -40 + 2
4z = -40 + 2

Combine like terms: -40 + 2 = -38
4z = -38

Divide each side by '4'.
z = -9.5

Simplifying
z = -9.5

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