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

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


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

Reorder the terms:
7(3 + y) = -3(3y + -5) + 7y
(3 * 7 + y * 7) = -3(3y + -5) + 7y
(21 + 7y) = -3(3y + -5) + 7y

Reorder the terms:
21 + 7y = -3(-5 + 3y) + 7y
21 + 7y = (-5 * -3 + 3y * -3) + 7y
21 + 7y = (15 + -9y) + 7y

Combine like terms: -9y + 7y = -2y
21 + 7y = 15 + -2y

Solving
21 + 7y = 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.
21 + 7y + 2y = 15 + -2y + 2y

Combine like terms: 7y + 2y = 9y
21 + 9y = 15 + -2y + 2y

Combine like terms: -2y + 2y = 0
21 + 9y = 15 + 0
21 + 9y = 15

Add '-21' to each side of the equation.
21 + -21 + 9y = 15 + -21

Combine like terms: 21 + -21 = 0
0 + 9y = 15 + -21
9y = 15 + -21

Combine like terms: 15 + -21 = -6
9y = -6

Divide each side by '9'.
y = -0.6666666667

Simplifying
y = -0.6666666667

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