-3y+15=y-13

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Solution for -3y+15=y-13 equation:


Simplifying
-3y + 15 = y + -13

Reorder the terms:
15 + -3y = y + -13

Reorder the terms:
15 + -3y = -13 + y

Solving
15 + -3y = -13 + y

Solving for variable 'y'.

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

Add '-1y' to each side of the equation.
15 + -3y + -1y = -13 + y + -1y

Combine like terms: -3y + -1y = -4y
15 + -4y = -13 + y + -1y

Combine like terms: y + -1y = 0
15 + -4y = -13 + 0
15 + -4y = -13

Add '-15' to each side of the equation.
15 + -15 + -4y = -13 + -15

Combine like terms: 15 + -15 = 0
0 + -4y = -13 + -15
-4y = -13 + -15

Combine like terms: -13 + -15 = -28
-4y = -28

Divide each side by '-4'.
y = 7

Simplifying
y = 7

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