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

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


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

Reorder the terms:
3(3 + y) + y = 2(y + 4) + 7
(3 * 3 + y * 3) + y = 2(y + 4) + 7
(9 + 3y) + y = 2(y + 4) + 7

Combine like terms: 3y + y = 4y
9 + 4y = 2(y + 4) + 7

Reorder the terms:
9 + 4y = 2(4 + y) + 7
9 + 4y = (4 * 2 + y * 2) + 7
9 + 4y = (8 + 2y) + 7

Reorder the terms:
9 + 4y = 8 + 7 + 2y

Combine like terms: 8 + 7 = 15
9 + 4y = 15 + 2y

Solving
9 + 4y = 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.
9 + 4y + -2y = 15 + 2y + -2y

Combine like terms: 4y + -2y = 2y
9 + 2y = 15 + 2y + -2y

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

Add '-9' to each side of the equation.
9 + -9 + 2y = 15 + -9

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

Combine like terms: 15 + -9 = 6
2y = 6

Divide each side by '2'.
y = 3

Simplifying
y = 3

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