7(y+3)+5y=9

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


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

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

Combine like terms: 7y + 5y = 12y
21 + 12y = 9

Solving
21 + 12y = 9

Solving for variable 'y'.

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

Add '-21' to each side of the equation.
21 + -21 + 12y = 9 + -21

Combine like terms: 21 + -21 = 0
0 + 12y = 9 + -21
12y = 9 + -21

Combine like terms: 9 + -21 = -12
12y = -12

Divide each side by '12'.
y = -1

Simplifying
y = -1

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