13(y-4)+3(y-9)-5(y+4)=0

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Solution for 13(y-4)+3(y-9)-5(y+4)=0 equation:


Simplifying
13(y + -4) + 3(y + -9) + -5(y + 4) = 0

Reorder the terms:
13(-4 + y) + 3(y + -9) + -5(y + 4) = 0
(-4 * 13 + y * 13) + 3(y + -9) + -5(y + 4) = 0
(-52 + 13y) + 3(y + -9) + -5(y + 4) = 0

Reorder the terms:
-52 + 13y + 3(-9 + y) + -5(y + 4) = 0
-52 + 13y + (-9 * 3 + y * 3) + -5(y + 4) = 0
-52 + 13y + (-27 + 3y) + -5(y + 4) = 0

Reorder the terms:
-52 + 13y + -27 + 3y + -5(4 + y) = 0
-52 + 13y + -27 + 3y + (4 * -5 + y * -5) = 0
-52 + 13y + -27 + 3y + (-20 + -5y) = 0

Reorder the terms:
-52 + -27 + -20 + 13y + 3y + -5y = 0

Combine like terms: -52 + -27 = -79
-79 + -20 + 13y + 3y + -5y = 0

Combine like terms: -79 + -20 = -99
-99 + 13y + 3y + -5y = 0

Combine like terms: 13y + 3y = 16y
-99 + 16y + -5y = 0

Combine like terms: 16y + -5y = 11y
-99 + 11y = 0

Solving
-99 + 11y = 0

Solving for variable 'y'.

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

Add '99' to each side of the equation.
-99 + 99 + 11y = 0 + 99

Combine like terms: -99 + 99 = 0
0 + 11y = 0 + 99
11y = 0 + 99

Combine like terms: 0 + 99 = 99
11y = 99

Divide each side by '11'.
y = 9

Simplifying
y = 9

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