2y-5(y-4)=6-(2y-9)

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Solution for 2y-5(y-4)=6-(2y-9) equation:


Simplifying
2y + -5(y + -4) = 6 + -1(2y + -9)

Reorder the terms:
2y + -5(-4 + y) = 6 + -1(2y + -9)
2y + (-4 * -5 + y * -5) = 6 + -1(2y + -9)
2y + (20 + -5y) = 6 + -1(2y + -9)

Reorder the terms:
20 + 2y + -5y = 6 + -1(2y + -9)

Combine like terms: 2y + -5y = -3y
20 + -3y = 6 + -1(2y + -9)

Reorder the terms:
20 + -3y = 6 + -1(-9 + 2y)
20 + -3y = 6 + (-9 * -1 + 2y * -1)
20 + -3y = 6 + (9 + -2y)

Combine like terms: 6 + 9 = 15
20 + -3y = 15 + -2y

Solving
20 + -3y = 15 + -2y

Solving for variable 'y'.

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

Add '2y' to each side of the equation.
20 + -3y + 2y = 15 + -2y + 2y

Combine like terms: -3y + 2y = -1y
20 + -1y = 15 + -2y + 2y

Combine like terms: -2y + 2y = 0
20 + -1y = 15 + 0
20 + -1y = 15

Add '-20' to each side of the equation.
20 + -20 + -1y = 15 + -20

Combine like terms: 20 + -20 = 0
0 + -1y = 15 + -20
-1y = 15 + -20

Combine like terms: 15 + -20 = -5
-1y = -5

Divide each side by '-1'.
y = 5

Simplifying
y = 5

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