7y-(2y-9)=39-y

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Solution for 7y-(2y-9)=39-y equation:


Simplifying
7y + -1(2y + -9) = 39 + -1y

Reorder the terms:
7y + -1(-9 + 2y) = 39 + -1y
7y + (-9 * -1 + 2y * -1) = 39 + -1y
7y + (9 + -2y) = 39 + -1y

Reorder the terms:
9 + 7y + -2y = 39 + -1y

Combine like terms: 7y + -2y = 5y
9 + 5y = 39 + -1y

Solving
9 + 5y = 39 + -1y

Solving for variable 'y'.

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

Add 'y' to each side of the equation.
9 + 5y + y = 39 + -1y + y

Combine like terms: 5y + y = 6y
9 + 6y = 39 + -1y + y

Combine like terms: -1y + y = 0
9 + 6y = 39 + 0
9 + 6y = 39

Add '-9' to each side of the equation.
9 + -9 + 6y = 39 + -9

Combine like terms: 9 + -9 = 0
0 + 6y = 39 + -9
6y = 39 + -9

Combine like terms: 39 + -9 = 30
6y = 30

Divide each side by '6'.
y = 5

Simplifying
y = 5

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