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

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


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

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

Combine like terms: 7y + y = 8y
21 + 8y = 3(y + 2) + 7

Reorder the terms:
21 + 8y = 3(2 + y) + 7
21 + 8y = (2 * 3 + y * 3) + 7
21 + 8y = (6 + 3y) + 7

Reorder the terms:
21 + 8y = 6 + 7 + 3y

Combine like terms: 6 + 7 = 13
21 + 8y = 13 + 3y

Solving
21 + 8y = 13 + 3y

Solving for variable 'y'.

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

Add '-3y' to each side of the equation.
21 + 8y + -3y = 13 + 3y + -3y

Combine like terms: 8y + -3y = 5y
21 + 5y = 13 + 3y + -3y

Combine like terms: 3y + -3y = 0
21 + 5y = 13 + 0
21 + 5y = 13

Add '-21' to each side of the equation.
21 + -21 + 5y = 13 + -21

Combine like terms: 21 + -21 = 0
0 + 5y = 13 + -21
5y = 13 + -21

Combine like terms: 13 + -21 = -8
5y = -8

Divide each side by '5'.
y = -1.6

Simplifying
y = -1.6

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