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

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


Simplifying
5(3 + y) = 4(3 + -1y)
(3 * 5 + y * 5) = 4(3 + -1y)
(15 + 5y) = 4(3 + -1y)
15 + 5y = (3 * 4 + -1y * 4)
15 + 5y = (12 + -4y)

Solving
15 + 5y = 12 + -4y

Solving for variable 'y'.

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

Add '4y' to each side of the equation.
15 + 5y + 4y = 12 + -4y + 4y

Combine like terms: 5y + 4y = 9y
15 + 9y = 12 + -4y + 4y

Combine like terms: -4y + 4y = 0
15 + 9y = 12 + 0
15 + 9y = 12

Add '-15' to each side of the equation.
15 + -15 + 9y = 12 + -15

Combine like terms: 15 + -15 = 0
0 + 9y = 12 + -15
9y = 12 + -15

Combine like terms: 12 + -15 = -3
9y = -3

Divide each side by '9'.
y = -0.3333333333

Simplifying
y = -0.3333333333

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