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

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


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

Reorder the terms:
-7(3 + y) = 2y + -9 + 2(3y + 3)
(3 * -7 + y * -7) = 2y + -9 + 2(3y + 3)
(-21 + -7y) = 2y + -9 + 2(3y + 3)

Reorder the terms:
-21 + -7y = 2y + -9 + 2(3 + 3y)
-21 + -7y = 2y + -9 + (3 * 2 + 3y * 2)
-21 + -7y = 2y + -9 + (6 + 6y)

Reorder the terms:
-21 + -7y = -9 + 6 + 2y + 6y

Combine like terms: -9 + 6 = -3
-21 + -7y = -3 + 2y + 6y

Combine like terms: 2y + 6y = 8y
-21 + -7y = -3 + 8y

Solving
-21 + -7y = -3 + 8y

Solving for variable 'y'.

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

Add '-8y' to each side of the equation.
-21 + -7y + -8y = -3 + 8y + -8y

Combine like terms: -7y + -8y = -15y
-21 + -15y = -3 + 8y + -8y

Combine like terms: 8y + -8y = 0
-21 + -15y = -3 + 0
-21 + -15y = -3

Add '21' to each side of the equation.
-21 + 21 + -15y = -3 + 21

Combine like terms: -21 + 21 = 0
0 + -15y = -3 + 21
-15y = -3 + 21

Combine like terms: -3 + 21 = 18
-15y = 18

Divide each side by '-15'.
y = -1.2

Simplifying
y = -1.2

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