3z-1=2+7

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Solution for 3z-1=2+7 equation:


Simplifying
3z + -1 = 2 + 7

Reorder the terms:
-1 + 3z = 2 + 7

Combine like terms: 2 + 7 = 9
-1 + 3z = 9

Solving
-1 + 3z = 9

Solving for variable 'z'.

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

Add '1' to each side of the equation.
-1 + 1 + 3z = 9 + 1

Combine like terms: -1 + 1 = 0
0 + 3z = 9 + 1
3z = 9 + 1

Combine like terms: 9 + 1 = 10
3z = 10

Divide each side by '3'.
z = 3.333333333

Simplifying
z = 3.333333333

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