-5y-2(3y-9)=5-7(1-y)

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Solution for -5y-2(3y-9)=5-7(1-y) equation:


Simplifying
-5y + -2(3y + -9) = 5 + -7(1 + -1y)

Reorder the terms:
-5y + -2(-9 + 3y) = 5 + -7(1 + -1y)
-5y + (-9 * -2 + 3y * -2) = 5 + -7(1 + -1y)
-5y + (18 + -6y) = 5 + -7(1 + -1y)

Reorder the terms:
18 + -5y + -6y = 5 + -7(1 + -1y)

Combine like terms: -5y + -6y = -11y
18 + -11y = 5 + -7(1 + -1y)
18 + -11y = 5 + (1 * -7 + -1y * -7)
18 + -11y = 5 + (-7 + 7y)

Combine like terms: 5 + -7 = -2
18 + -11y = -2 + 7y

Solving
18 + -11y = -2 + 7y

Solving for variable 'y'.

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

Add '-7y' to each side of the equation.
18 + -11y + -7y = -2 + 7y + -7y

Combine like terms: -11y + -7y = -18y
18 + -18y = -2 + 7y + -7y

Combine like terms: 7y + -7y = 0
18 + -18y = -2 + 0
18 + -18y = -2

Add '-18' to each side of the equation.
18 + -18 + -18y = -2 + -18

Combine like terms: 18 + -18 = 0
0 + -18y = -2 + -18
-18y = -2 + -18

Combine like terms: -2 + -18 = -20
-18y = -20

Divide each side by '-18'.
y = 1.111111111

Simplifying
y = 1.111111111

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