7(y+3)+y=2(y+2)+4

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Solution for 7(y+3)+y=2(y+2)+4 equation:


Simplifying
7(y + 3) + y = 2(y + 2) + 4

Reorder the terms:
7(3 + y) + y = 2(y + 2) + 4
(3 * 7 + y * 7) + y = 2(y + 2) + 4
(21 + 7y) + y = 2(y + 2) + 4

Combine like terms: 7y + y = 8y
21 + 8y = 2(y + 2) + 4

Reorder the terms:
21 + 8y = 2(2 + y) + 4
21 + 8y = (2 * 2 + y * 2) + 4
21 + 8y = (4 + 2y) + 4

Reorder the terms:
21 + 8y = 4 + 4 + 2y

Combine like terms: 4 + 4 = 8
21 + 8y = 8 + 2y

Solving
21 + 8y = 8 + 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 + 8y + -2y = 8 + 2y + -2y

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

Combine like terms: 2y + -2y = 0
21 + 6y = 8 + 0
21 + 6y = 8

Add '-21' to each side of the equation.
21 + -21 + 6y = 8 + -21

Combine like terms: 21 + -21 = 0
0 + 6y = 8 + -21
6y = 8 + -21

Combine like terms: 8 + -21 = -13
6y = -13

Divide each side by '6'.
y = -2.166666667

Simplifying
y = -2.166666667

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