2(5+y)=18

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Solution for 2(5+y)=18 equation: 


Simplifying
2(5 + y) = 18
(5 * 2 + y * 2) = 18
(10 + 2y) = 18

Solving
10 + 2y = 18

Solving for variable 'y'.

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

Add '-10' to each side of the equation.
10 + -10 + 2y = 18 + -10

Combine like terms: 10 + -10 = 0
0 + 2y = 18 + -10
2y = 18 + -10

Combine like terms: 18 + -10 = 8
2y = 8

Divide each side by '2'.
y = 4

Simplifying
y = 4

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