3y+15=-y+23

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Solution for 3y+15=-y+23 equation:


Simplifying
3y + 15 = -1y + 23

Reorder the terms:
15 + 3y = -1y + 23

Reorder the terms:
15 + 3y = 23 + -1y

Solving
15 + 3y = 23 + -1y

Solving for variable 'y'.

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

Add 'y' to each side of the equation.
15 + 3y + y = 23 + -1y + y

Combine like terms: 3y + y = 4y
15 + 4y = 23 + -1y + y

Combine like terms: -1y + y = 0
15 + 4y = 23 + 0
15 + 4y = 23

Add '-15' to each side of the equation.
15 + -15 + 4y = 23 + -15

Combine like terms: 15 + -15 = 0
0 + 4y = 23 + -15
4y = 23 + -15

Combine like terms: 23 + -15 = 8
4y = 8

Divide each side by '4'.
y = 2

Simplifying
y = 2

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