-3y+9(-9y-4)=-1+5(-5-y)

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Solution for -3y+9(-9y-4)=-1+5(-5-y) equation:


Simplifying
-3y + 9(-9y + -4) = -1 + 5(-5 + -1y)

Reorder the terms:
-3y + 9(-4 + -9y) = -1 + 5(-5 + -1y)
-3y + (-4 * 9 + -9y * 9) = -1 + 5(-5 + -1y)
-3y + (-36 + -81y) = -1 + 5(-5 + -1y)

Reorder the terms:
-36 + -3y + -81y = -1 + 5(-5 + -1y)

Combine like terms: -3y + -81y = -84y
-36 + -84y = -1 + 5(-5 + -1y)
-36 + -84y = -1 + (-5 * 5 + -1y * 5)
-36 + -84y = -1 + (-25 + -5y)

Combine like terms: -1 + -25 = -26
-36 + -84y = -26 + -5y

Solving
-36 + -84y = -26 + -5y

Solving for variable 'y'.

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

Add '5y' to each side of the equation.
-36 + -84y + 5y = -26 + -5y + 5y

Combine like terms: -84y + 5y = -79y
-36 + -79y = -26 + -5y + 5y

Combine like terms: -5y + 5y = 0
-36 + -79y = -26 + 0
-36 + -79y = -26

Add '36' to each side of the equation.
-36 + 36 + -79y = -26 + 36

Combine like terms: -36 + 36 = 0
0 + -79y = -26 + 36
-79y = -26 + 36

Combine like terms: -26 + 36 = 10
-79y = 10

Divide each side by '-79'.
y = -0.1265822785

Simplifying
y = -0.1265822785

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