8+y=15-3(y+1)

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Solution for 8+y=15-3(y+1) equation:


Simplifying
8 + y = 15 + -3(y + 1)

Reorder the terms:
8 + y = 15 + -3(1 + y)
8 + y = 15 + (1 * -3 + y * -3)
8 + y = 15 + (-3 + -3y)

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

Solving
8 + y = 12 + -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.
8 + y + 3y = 12 + -3y + 3y

Combine like terms: y + 3y = 4y
8 + 4y = 12 + -3y + 3y

Combine like terms: -3y + 3y = 0
8 + 4y = 12 + 0
8 + 4y = 12

Add '-8' to each side of the equation.
8 + -8 + 4y = 12 + -8

Combine like terms: 8 + -8 = 0
0 + 4y = 12 + -8
4y = 12 + -8

Combine like terms: 12 + -8 = 4
4y = 4

Divide each side by '4'.
y = 1

Simplifying
y = 1

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