9(y-3)+4(y+2)=72

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Solution for 9(y-3)+4(y+2)=72 equation:


Simplifying
9(y + -3) + 4(y + 2) = 72

Reorder the terms:
9(-3 + y) + 4(y + 2) = 72
(-3 * 9 + y * 9) + 4(y + 2) = 72
(-27 + 9y) + 4(y + 2) = 72

Reorder the terms:
-27 + 9y + 4(2 + y) = 72
-27 + 9y + (2 * 4 + y * 4) = 72
-27 + 9y + (8 + 4y) = 72

Reorder the terms:
-27 + 8 + 9y + 4y = 72

Combine like terms: -27 + 8 = -19
-19 + 9y + 4y = 72

Combine like terms: 9y + 4y = 13y
-19 + 13y = 72

Solving
-19 + 13y = 72

Solving for variable 'y'.

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

Add '19' to each side of the equation.
-19 + 19 + 13y = 72 + 19

Combine like terms: -19 + 19 = 0
0 + 13y = 72 + 19
13y = 72 + 19

Combine like terms: 72 + 19 = 91
13y = 91

Divide each side by '13'.
y = 7

Simplifying
y = 7

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