3z-5=40

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Solution for 3z-5=40 equation: 


Simplifying
3z + -5 = 40

Reorder the terms:
-5 + 3z = 40

Solving
-5 + 3z = 40

Solving for variable 'z'.

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

Add '5' to each side of the equation.
-5 + 5 + 3z = 40 + 5

Combine like terms: -5 + 5 = 0
0 + 3z = 40 + 5
3z = 40 + 5

Combine like terms: 40 + 5 = 45
3z = 45

Divide each side by '3'.
z = 15

Simplifying
z = 15

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