30=2(10+y)

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Solution for 30=2(10+y) equation:


Simplifying
30 = 2(10 + y)
30 = (10 * 2 + y * 2)
30 = (20 + 2y)

Solving
30 = 20 + 2y

Solving for variable 'y'.

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

Add '-2y' to each side of the equation.
30 + -2y = 20 + 2y + -2y

Combine like terms: 2y + -2y = 0
30 + -2y = 20 + 0
30 + -2y = 20

Add '-30' to each side of the equation.
30 + -30 + -2y = 20 + -30

Combine like terms: 30 + -30 = 0
0 + -2y = 20 + -30
-2y = 20 + -30

Combine like terms: 20 + -30 = -10
-2y = -10

Divide each side by '-2'.
y = 5

Simplifying
y = 5

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