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

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Solution for 6(y+3)+2(y+7)=7(y+3) equation:


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

Reorder the terms:
6(3 + y) + 2(y + 7) = 7(y + 3)
(3 * 6 + y * 6) + 2(y + 7) = 7(y + 3)
(18 + 6y) + 2(y + 7) = 7(y + 3)

Reorder the terms:
18 + 6y + 2(7 + y) = 7(y + 3)
18 + 6y + (7 * 2 + y * 2) = 7(y + 3)
18 + 6y + (14 + 2y) = 7(y + 3)

Reorder the terms:
18 + 14 + 6y + 2y = 7(y + 3)

Combine like terms: 18 + 14 = 32
32 + 6y + 2y = 7(y + 3)

Combine like terms: 6y + 2y = 8y
32 + 8y = 7(y + 3)

Reorder the terms:
32 + 8y = 7(3 + y)
32 + 8y = (3 * 7 + y * 7)
32 + 8y = (21 + 7y)

Solving
32 + 8y = 21 + 7y

Solving for variable 'y'.

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

Add '-7y' to each side of the equation.
32 + 8y + -7y = 21 + 7y + -7y

Combine like terms: 8y + -7y = 1y
32 + 1y = 21 + 7y + -7y

Combine like terms: 7y + -7y = 0
32 + 1y = 21 + 0
32 + 1y = 21

Add '-32' to each side of the equation.
32 + -32 + 1y = 21 + -32

Combine like terms: 32 + -32 = 0
0 + 1y = 21 + -32
1y = 21 + -32

Combine like terms: 21 + -32 = -11
1y = -11

Divide each side by '1'.
y = -11

Simplifying
y = -11

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