4(3+y)=3(y+5)

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Solution for 4(3+y)=3(y+5) equation: 


Simplifying
4(3 + y) = 3(y + 5)
(3 * 4 + y * 4) = 3(y + 5)
(12 + 4y) = 3(y + 5)

Reorder the terms:
12 + 4y = 3(5 + y)
12 + 4y = (5 * 3 + y * 3)
12 + 4y = (15 + 3y)

Solving
12 + 4y = 15 + 3y

Solving for variable 'y'.

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

Add '-3y' to each side of the equation.
12 + 4y + -3y = 15 + 3y + -3y

Combine like terms: 4y + -3y = 1y
12 + 1y = 15 + 3y + -3y

Combine like terms: 3y + -3y = 0
12 + 1y = 15 + 0
12 + 1y = 15

Add '-12' to each side of the equation.
12 + -12 + 1y = 15 + -12

Combine like terms: 12 + -12 = 0
0 + 1y = 15 + -12
1y = 15 + -12

Combine like terms: 15 + -12 = 3
1y = 3

Divide each side by '1'.
y = 3

Simplifying
y = 3

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