z-30=7

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Solution for z-30=7 equation: 


Simplifying
z + -30 = 7

Reorder the terms:
-30 + z = 7

Solving
-30 + z = 7

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 + z = 7 + 30

Combine like terms: -30 + 30 = 0
0 + z = 7 + 30
z = 7 + 30

Combine like terms: 7 + 30 = 37
z = 37

Simplifying
z = 37

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