3(3y+5)=78

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Solution for 3(3y+5)=78 equation: 


Simplifying
3(3y + 5) = 78

Reorder the terms:
3(5 + 3y) = 78
(5 * 3 + 3y * 3) = 78
(15 + 9y) = 78

Solving
15 + 9y = 78

Solving for variable 'y'.

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

Add '-15' to each side of the equation.
15 + -15 + 9y = 78 + -15

Combine like terms: 15 + -15 = 0
0 + 9y = 78 + -15
9y = 78 + -15

Combine like terms: 78 + -15 = 63
9y = 63

Divide each side by '9'.
y = 7

Simplifying
y = 7

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