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

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Solution for 9(y+7)+y=4(y+3)+4 equation:


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

Reorder the terms:
9(7 + y) + y = 4(y + 3) + 4
(7 * 9 + y * 9) + y = 4(y + 3) + 4
(63 + 9y) + y = 4(y + 3) + 4

Combine like terms: 9y + y = 10y
63 + 10y = 4(y + 3) + 4

Reorder the terms:
63 + 10y = 4(3 + y) + 4
63 + 10y = (3 * 4 + y * 4) + 4
63 + 10y = (12 + 4y) + 4

Reorder the terms:
63 + 10y = 12 + 4 + 4y

Combine like terms: 12 + 4 = 16
63 + 10y = 16 + 4y

Solving
63 + 10y = 16 + 4y

Solving for variable 'y'.

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

Add '-4y' to each side of the equation.
63 + 10y + -4y = 16 + 4y + -4y

Combine like terms: 10y + -4y = 6y
63 + 6y = 16 + 4y + -4y

Combine like terms: 4y + -4y = 0
63 + 6y = 16 + 0
63 + 6y = 16

Add '-63' to each side of the equation.
63 + -63 + 6y = 16 + -63

Combine like terms: 63 + -63 = 0
0 + 6y = 16 + -63
6y = 16 + -63

Combine like terms: 16 + -63 = -47
6y = -47

Divide each side by '6'.
y = -7.833333333

Simplifying
y = -7.833333333

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