8z-2=40+z

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


Simplifying
8z + -2 = 40 + z

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

Solving
-2 + 8z = 40 + z

Solving for variable 'z'.

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

Add '-1z' to each side of the equation.
-2 + 8z + -1z = 40 + z + -1z

Combine like terms: 8z + -1z = 7z
-2 + 7z = 40 + z + -1z

Combine like terms: z + -1z = 0
-2 + 7z = 40 + 0
-2 + 7z = 40

Add '2' to each side of the equation.
-2 + 2 + 7z = 40 + 2

Combine like terms: -2 + 2 = 0
0 + 7z = 40 + 2
7z = 40 + 2

Combine like terms: 40 + 2 = 42
7z = 42

Divide each side by '7'.
z = 6

Simplifying
z = 6

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