(y+1)2=9

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Solution for (y+1)2=9 equation:


Simplifying
(y + 1) * 2 = 9

Reorder the terms:
(1 + y) * 2 = 9

Reorder the terms for easier multiplication:
2(1 + y) = 9
(1 * 2 + y * 2) = 9
(2 + 2y) = 9

Solving
2 + 2y = 9

Solving for variable 'y'.

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

Add '-2' to each side of the equation.
2 + -2 + 2y = 9 + -2

Combine like terms: 2 + -2 = 0
0 + 2y = 9 + -2
2y = 9 + -2

Combine like terms: 9 + -2 = 7
2y = 7

Divide each side by '2'.
y = 3.5

Simplifying
y = 3.5

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