20=3y+y+(y+5)

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Solution for 20=3y+y+(y+5) equation: 


Simplifying
20 = 3y + y + (y + 5)

Reorder the terms:
20 = 3y + y + (5 + y)

Remove parenthesis around (5 + y)
20 = 3y + y + 5 + y

Reorder the terms:
20 = 5 + 3y + y + y

Combine like terms: 3y + y = 4y
20 = 5 + 4y + y

Combine like terms: 4y + y = 5y
20 = 5 + 5y

Solving
20 = 5 + 5y

Solving for variable 'y'.

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

Add '-5y' to each side of the equation.
20 + -5y = 5 + 5y + -5y

Combine like terms: 5y + -5y = 0
20 + -5y = 5 + 0
20 + -5y = 5

Add '-20' to each side of the equation.
20 + -20 + -5y = 5 + -20

Combine like terms: 20 + -20 = 0
0 + -5y = 5 + -20
-5y = 5 + -20

Combine like terms: 5 + -20 = -15
-5y = -15

Divide each side by '-5'.
y = 3

Simplifying
y = 3

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