-91+8y+7=5(3y-4)-8

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Solution for -91+8y+7=5(3y-4)-8 equation:


Simplifying
-91 + 8y + 7 = 5(3y + -4) + -8

Reorder the terms:
-91 + 7 + 8y = 5(3y + -4) + -8

Combine like terms: -91 + 7 = -84
-84 + 8y = 5(3y + -4) + -8

Reorder the terms:
-84 + 8y = 5(-4 + 3y) + -8
-84 + 8y = (-4 * 5 + 3y * 5) + -8
-84 + 8y = (-20 + 15y) + -8

Reorder the terms:
-84 + 8y = -20 + -8 + 15y

Combine like terms: -20 + -8 = -28
-84 + 8y = -28 + 15y

Solving
-84 + 8y = -28 + 15y

Solving for variable 'y'.

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

Add '-15y' to each side of the equation.
-84 + 8y + -15y = -28 + 15y + -15y

Combine like terms: 8y + -15y = -7y
-84 + -7y = -28 + 15y + -15y

Combine like terms: 15y + -15y = 0
-84 + -7y = -28 + 0
-84 + -7y = -28

Add '84' to each side of the equation.
-84 + 84 + -7y = -28 + 84

Combine like terms: -84 + 84 = 0
0 + -7y = -28 + 84
-7y = -28 + 84

Combine like terms: -28 + 84 = 56
-7y = 56

Divide each side by '-7'.
y = -8

Simplifying
y = -8

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