2(2y+9)=20

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Solution for 2(2y+9)=20 equation: 


Simplifying
2(2y + 9) = 20

Reorder the terms:
2(9 + 2y) = 20
(9 * 2 + 2y * 2) = 20
(18 + 4y) = 20

Solving
18 + 4y = 20

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 + 4y = 20 + -18

Combine like terms: 18 + -18 = 0
0 + 4y = 20 + -18
4y = 20 + -18

Combine like terms: 20 + -18 = 2
4y = 2

Divide each side by '4'.
y = 0.5

Simplifying
y = 0.5

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