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

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


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

Reorder the terms:
7 + 5y + -2y = 7 + -3(y + -9)

Combine like terms: 5y + -2y = 3y
7 + 3y = 7 + -3(y + -9)

Reorder the terms:
7 + 3y = 7 + -3(-9 + y)
7 + 3y = 7 + (-9 * -3 + y * -3)
7 + 3y = 7 + (27 + -3y)

Combine like terms: 7 + 27 = 34
7 + 3y = 34 + -3y

Solving
7 + 3y = 34 + -3y

Solving for variable 'y'.

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

Add '3y' to each side of the equation.
7 + 3y + 3y = 34 + -3y + 3y

Combine like terms: 3y + 3y = 6y
7 + 6y = 34 + -3y + 3y

Combine like terms: -3y + 3y = 0
7 + 6y = 34 + 0
7 + 6y = 34

Add '-7' to each side of the equation.
7 + -7 + 6y = 34 + -7

Combine like terms: 7 + -7 = 0
0 + 6y = 34 + -7
6y = 34 + -7

Combine like terms: 34 + -7 = 27
6y = 27

Divide each side by '6'.
y = 4.5

Simplifying
y = 4.5

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