4(y-1)=30

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Solution for 4(y-1)=30 equation: 


Simplifying
4(y + -1) = 30

Reorder the terms:
4(-1 + y) = 30
(-1 * 4 + y * 4) = 30
(-4 + 4y) = 30

Solving
-4 + 4y = 30

Solving for variable 'y'.

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

Add '4' to each side of the equation.
-4 + 4 + 4y = 30 + 4

Combine like terms: -4 + 4 = 0
0 + 4y = 30 + 4
4y = 30 + 4

Combine like terms: 30 + 4 = 34
4y = 34

Divide each side by '4'.
y = 8.5

Simplifying
y = 8.5

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