6(y-4)+9(y+2)=84

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Solution for 6(y-4)+9(y+2)=84 equation:


Simplifying
6(y + -4) + 9(y + 2) = 84

Reorder the terms:
6(-4 + y) + 9(y + 2) = 84
(-4 * 6 + y * 6) + 9(y + 2) = 84
(-24 + 6y) + 9(y + 2) = 84

Reorder the terms:
-24 + 6y + 9(2 + y) = 84
-24 + 6y + (2 * 9 + y * 9) = 84
-24 + 6y + (18 + 9y) = 84

Reorder the terms:
-24 + 18 + 6y + 9y = 84

Combine like terms: -24 + 18 = -6
-6 + 6y + 9y = 84

Combine like terms: 6y + 9y = 15y
-6 + 15y = 84

Solving
-6 + 15y = 84

Solving for variable 'y'.

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

Add '6' to each side of the equation.
-6 + 6 + 15y = 84 + 6

Combine like terms: -6 + 6 = 0
0 + 15y = 84 + 6
15y = 84 + 6

Combine like terms: 84 + 6 = 90
15y = 90

Divide each side by '15'.
y = 6

Simplifying
y = 6

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