9y-30=y

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Solution for 9y-30=y equation:


Simplifying
9y + -30 = y

Reorder the terms:
-30 + 9y = y

Solving
-30 + 9y = y

Solving for variable 'y'.

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

Add '-1y' to each side of the equation.
-30 + 9y + -1y = y + -1y

Combine like terms: 9y + -1y = 8y
-30 + 8y = y + -1y

Combine like terms: y + -1y = 0
-30 + 8y = 0

Add '30' to each side of the equation.
-30 + 30 + 8y = 0 + 30

Combine like terms: -30 + 30 = 0
0 + 8y = 0 + 30
8y = 0 + 30

Combine like terms: 0 + 30 = 30
8y = 30

Divide each side by '8'.
y = 3.75

Simplifying
y = 3.75

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