-31-7y+16=-28y+57+15y

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Solution for -31-7y+16=-28y+57+15y equation:


Simplifying
-31 + -7y + 16 = -28y + 57 + 15y

Reorder the terms:
-31 + 16 + -7y = -28y + 57 + 15y

Combine like terms: -31 + 16 = -15
-15 + -7y = -28y + 57 + 15y

Reorder the terms:
-15 + -7y = 57 + -28y + 15y

Combine like terms: -28y + 15y = -13y
-15 + -7y = 57 + -13y

Solving
-15 + -7y = 57 + -13y

Solving for variable 'y'.

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

Add '13y' to each side of the equation.
-15 + -7y + 13y = 57 + -13y + 13y

Combine like terms: -7y + 13y = 6y
-15 + 6y = 57 + -13y + 13y

Combine like terms: -13y + 13y = 0
-15 + 6y = 57 + 0
-15 + 6y = 57

Add '15' to each side of the equation.
-15 + 15 + 6y = 57 + 15

Combine like terms: -15 + 15 = 0
0 + 6y = 57 + 15
6y = 57 + 15

Combine like terms: 57 + 15 = 72
6y = 72

Divide each side by '6'.
y = 12

Simplifying
y = 12

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