5z-30=70

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Solution for 5z-30=70 equation: 


Simplifying
5z + -30 = 70

Reorder the terms:
-30 + 5z = 70

Solving
-30 + 5z = 70

Solving for variable 'z'.

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

Add '30' to each side of the equation.
-30 + 30 + 5z = 70 + 30

Combine like terms: -30 + 30 = 0
0 + 5z = 70 + 30
5z = 70 + 30

Combine like terms: 70 + 30 = 100
5z = 100

Divide each side by '5'.
z = 20

Simplifying
z = 20

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