7(y+9)+y=2(y+5)+4

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Solution for 7(y+9)+y=2(y+5)+4 equation:


Simplifying
7(y + 9) + y = 2(y + 5) + 4

Reorder the terms:
7(9 + y) + y = 2(y + 5) + 4
(9 * 7 + y * 7) + y = 2(y + 5) + 4
(63 + 7y) + y = 2(y + 5) + 4

Combine like terms: 7y + y = 8y
63 + 8y = 2(y + 5) + 4

Reorder the terms:
63 + 8y = 2(5 + y) + 4
63 + 8y = (5 * 2 + y * 2) + 4
63 + 8y = (10 + 2y) + 4

Reorder the terms:
63 + 8y = 10 + 4 + 2y

Combine like terms: 10 + 4 = 14
63 + 8y = 14 + 2y

Solving
63 + 8y = 14 + 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.
63 + 8y + -2y = 14 + 2y + -2y

Combine like terms: 8y + -2y = 6y
63 + 6y = 14 + 2y + -2y

Combine like terms: 2y + -2y = 0
63 + 6y = 14 + 0
63 + 6y = 14

Add '-63' to each side of the equation.
63 + -63 + 6y = 14 + -63

Combine like terms: 63 + -63 = 0
0 + 6y = 14 + -63
6y = 14 + -63

Combine like terms: 14 + -63 = -49
6y = -49

Divide each side by '6'.
y = -8.166666667

Simplifying
y = -8.166666667

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