-3y+15=4(y-4)

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Solution for -3y+15=4(y-4) equation:


Simplifying
-3y + 15 = 4(y + -4)

Reorder the terms:
15 + -3y = 4(y + -4)

Reorder the terms:
15 + -3y = 4(-4 + y)
15 + -3y = (-4 * 4 + y * 4)
15 + -3y = (-16 + 4y)

Solving
15 + -3y = -16 + 4y

Solving for variable 'y'.

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

Add '-4y' to each side of the equation.
15 + -3y + -4y = -16 + 4y + -4y

Combine like terms: -3y + -4y = -7y
15 + -7y = -16 + 4y + -4y

Combine like terms: 4y + -4y = 0
15 + -7y = -16 + 0
15 + -7y = -16

Add '-15' to each side of the equation.
15 + -15 + -7y = -16 + -15

Combine like terms: 15 + -15 = 0
0 + -7y = -16 + -15
-7y = -16 + -15

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

Divide each side by '-7'.
y = 4.428571429

Simplifying
y = 4.428571429

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