13(3+y)=5(2y+8)

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Solution for 13(3+y)=5(2y+8) equation:


Simplifying
13(3 + y) = 5(2y + 8)
(3 * 13 + y * 13) = 5(2y + 8)
(39 + 13y) = 5(2y + 8)

Reorder the terms:
39 + 13y = 5(8 + 2y)
39 + 13y = (8 * 5 + 2y * 5)
39 + 13y = (40 + 10y)

Solving
39 + 13y = 40 + 10y

Solving for variable 'y'.

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

Add '-10y' to each side of the equation.
39 + 13y + -10y = 40 + 10y + -10y

Combine like terms: 13y + -10y = 3y
39 + 3y = 40 + 10y + -10y

Combine like terms: 10y + -10y = 0
39 + 3y = 40 + 0
39 + 3y = 40

Add '-39' to each side of the equation.
39 + -39 + 3y = 40 + -39

Combine like terms: 39 + -39 = 0
0 + 3y = 40 + -39
3y = 40 + -39

Combine like terms: 40 + -39 = 1
3y = 1

Divide each side by '3'.
y = 0.3333333333

Simplifying
y = 0.3333333333

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