-7y+13-5y+15=4(-3+2y)

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Solution for -7y+13-5y+15=4(-3+2y) equation: 


Simplifying
-7y + 13 + -5y + 15 = 4(-3 + 2y)

Reorder the terms:
13 + 15 + -7y + -5y = 4(-3 + 2y)

Combine like terms: 13 + 15 = 28
28 + -7y + -5y = 4(-3 + 2y)

Combine like terms: -7y + -5y = -12y
28 + -12y = 4(-3 + 2y)
28 + -12y = (-3 * 4 + 2y * 4)
28 + -12y = (-12 + 8y)

Solving
28 + -12y = -12 + 8y

Solving for variable 'y'.

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

Add '-8y' to each side of the equation.
28 + -12y + -8y = -12 + 8y + -8y

Combine like terms: -12y + -8y = -20y
28 + -20y = -12 + 8y + -8y

Combine like terms: 8y + -8y = 0
28 + -20y = -12 + 0
28 + -20y = -12

Add '-28' to each side of the equation.
28 + -28 + -20y = -12 + -28

Combine like terms: 28 + -28 = 0
0 + -20y = -12 + -28
-20y = -12 + -28

Combine like terms: -12 + -28 = -40
-20y = -40

Divide each side by '-20'.
y = 2

Simplifying
y = 2

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