(3-y)2=18

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Solution for (3-y)2=18 equation:


Simplifying
(3 + -1y) * 2 = 18

Reorder the terms for easier multiplication:
2(3 + -1y) = 18
(3 * 2 + -1y * 2) = 18
(6 + -2y) = 18

Solving
6 + -2y = 18

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 + -2y = 18 + -6

Combine like terms: 6 + -6 = 0
0 + -2y = 18 + -6
-2y = 18 + -6

Combine like terms: 18 + -6 = 12
-2y = 12

Divide each side by '-2'.
y = -6

Simplifying
y = -6

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