(3y+3)2=81

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Solution for (3y+3)2=81 equation:


Simplifying
(3y + 3) * 2 = 81

Reorder the terms:
(3 + 3y) * 2 = 81

Reorder the terms for easier multiplication:
2(3 + 3y) = 81
(3 * 2 + 3y * 2) = 81
(6 + 6y) = 81

Solving
6 + 6y = 81

Solving for variable 'y'.

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

Add '-6' to each side of the equation.
6 + -6 + 6y = 81 + -6

Combine like terms: 6 + -6 = 0
0 + 6y = 81 + -6
6y = 81 + -6

Combine like terms: 81 + -6 = 75
6y = 75

Divide each side by '6'.
y = 12.5

Simplifying
y = 12.5

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