-84+9y+6=3(5y-5)-9

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Solution for -84+9y+6=3(5y-5)-9 equation:


Simplifying
-84 + 9y + 6 = 3(5y + -5) + -9

Reorder the terms:
-84 + 6 + 9y = 3(5y + -5) + -9

Combine like terms: -84 + 6 = -78
-78 + 9y = 3(5y + -5) + -9

Reorder the terms:
-78 + 9y = 3(-5 + 5y) + -9
-78 + 9y = (-5 * 3 + 5y * 3) + -9
-78 + 9y = (-15 + 15y) + -9

Reorder the terms:
-78 + 9y = -15 + -9 + 15y

Combine like terms: -15 + -9 = -24
-78 + 9y = -24 + 15y

Solving
-78 + 9y = -24 + 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.
-78 + 9y + -15y = -24 + 15y + -15y

Combine like terms: 9y + -15y = -6y
-78 + -6y = -24 + 15y + -15y

Combine like terms: 15y + -15y = 0
-78 + -6y = -24 + 0
-78 + -6y = -24

Add '78' to each side of the equation.
-78 + 78 + -6y = -24 + 78

Combine like terms: -78 + 78 = 0
0 + -6y = -24 + 78
-6y = -24 + 78

Combine like terms: -24 + 78 = 54
-6y = 54

Divide each side by '-6'.
y = -9

Simplifying
y = -9

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