-15(y+3)+5(4y-7)=4(y-6)+9

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Solution for -15(y+3)+5(4y-7)=4(y-6)+9 equation:


Simplifying
-15(y + 3) + 5(4y + -7) = 4(y + -6) + 9

Reorder the terms:
-15(3 + y) + 5(4y + -7) = 4(y + -6) + 9
(3 * -15 + y * -15) + 5(4y + -7) = 4(y + -6) + 9
(-45 + -15y) + 5(4y + -7) = 4(y + -6) + 9

Reorder the terms:
-45 + -15y + 5(-7 + 4y) = 4(y + -6) + 9
-45 + -15y + (-7 * 5 + 4y * 5) = 4(y + -6) + 9
-45 + -15y + (-35 + 20y) = 4(y + -6) + 9

Reorder the terms:
-45 + -35 + -15y + 20y = 4(y + -6) + 9

Combine like terms: -45 + -35 = -80
-80 + -15y + 20y = 4(y + -6) + 9

Combine like terms: -15y + 20y = 5y
-80 + 5y = 4(y + -6) + 9

Reorder the terms:
-80 + 5y = 4(-6 + y) + 9
-80 + 5y = (-6 * 4 + y * 4) + 9
-80 + 5y = (-24 + 4y) + 9

Reorder the terms:
-80 + 5y = -24 + 9 + 4y

Combine like terms: -24 + 9 = -15
-80 + 5y = -15 + 4y

Solving
-80 + 5y = -15 + 4y

Solving for variable 'y'.

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

Add '-4y' to each side of the equation.
-80 + 5y + -4y = -15 + 4y + -4y

Combine like terms: 5y + -4y = 1y
-80 + 1y = -15 + 4y + -4y

Combine like terms: 4y + -4y = 0
-80 + 1y = -15 + 0
-80 + 1y = -15

Add '80' to each side of the equation.
-80 + 80 + 1y = -15 + 80

Combine like terms: -80 + 80 = 0
0 + 1y = -15 + 80
1y = -15 + 80

Combine like terms: -15 + 80 = 65
1y = 65

Divide each side by '1'.
y = 65

Simplifying
y = 65

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