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

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


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

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

Reorder the terms:
21 + 9y = 7 + -2(-7 + y)
21 + 9y = 7 + (-7 * -2 + y * -2)
21 + 9y = 7 + (14 + -2y)

Combine like terms: 7 + 14 = 21
21 + 9y = 21 + -2y

Add '-21' to each side of the equation.
21 + -21 + 9y = 21 + -21 + -2y

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

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

Solving
9y = -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.
9y + 2y = -2y + 2y

Combine like terms: 9y + 2y = 11y
11y = -2y + 2y

Combine like terms: -2y + 2y = 0
11y = 0

Divide each side by '11'.
y = 0

Simplifying
y = 0

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