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

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


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

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

Reorder the terms:
-18 + 7y + 2y = 3(y + -1) + -2

Combine like terms: 7y + 2y = 9y
-18 + 9y = 3(y + -1) + -2

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

Reorder the terms:
-18 + 9y = -3 + -2 + 3y

Combine like terms: -3 + -2 = -5
-18 + 9y = -5 + 3y

Solving
-18 + 9y = -5 + 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.
-18 + 9y + -3y = -5 + 3y + -3y

Combine like terms: 9y + -3y = 6y
-18 + 6y = -5 + 3y + -3y

Combine like terms: 3y + -3y = 0
-18 + 6y = -5 + 0
-18 + 6y = -5

Add '18' to each side of the equation.
-18 + 18 + 6y = -5 + 18

Combine like terms: -18 + 18 = 0
0 + 6y = -5 + 18
6y = -5 + 18

Combine like terms: -5 + 18 = 13
6y = 13

Divide each side by '6'.
y = 2.166666667

Simplifying
y = 2.166666667

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