9y+3(y-6)=30

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Solution for 9y+3(y-6)=30 equation:


Simplifying
9y + 3(y + -6) = 30

Reorder the terms:
9y + 3(-6 + y) = 30
9y + (-6 * 3 + y * 3) = 30
9y + (-18 + 3y) = 30

Reorder the terms:
-18 + 9y + 3y = 30

Combine like terms: 9y + 3y = 12y
-18 + 12y = 30

Solving
-18 + 12y = 30

Solving for variable 'y'.

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

Add '18' to each side of the equation.
-18 + 18 + 12y = 30 + 18

Combine like terms: -18 + 18 = 0
0 + 12y = 30 + 18
12y = 30 + 18

Combine like terms: 30 + 18 = 48
12y = 48

Divide each side by '12'.
y = 4

Simplifying
y = 4

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