28(z-1)=30y

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Solution for 28(z-1)=30y equation: 


Simplifying
28(z + -1) = 30y

Reorder the terms:
28(-1 + z) = 30y
(-1 * 28 + z * 28) = 30y
(-28 + 28z) = 30y

Solving
-28 + 28z = 30y

Solving for variable 'z'.

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

Add '28' to each side of the equation.
-28 + 28 + 28z = 28 + 30y

Combine like terms: -28 + 28 = 0
0 + 28z = 28 + 30y
28z = 28 + 30y

Divide each side by '28'.
z = 1 + 1.071428571y

Simplifying
z = 1 + 1.071428571y

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