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

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


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

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

Combine like terms: 9y + y = 10y
63 + 10y = 2(y + 4) + -5

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

Reorder the terms:
63 + 10y = 8 + -5 + 2y

Combine like terms: 8 + -5 = 3
63 + 10y = 3 + 2y

Solving
63 + 10y = 3 + 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 + 10y + -2y = 3 + 2y + -2y

Combine like terms: 10y + -2y = 8y
63 + 8y = 3 + 2y + -2y

Combine like terms: 2y + -2y = 0
63 + 8y = 3 + 0
63 + 8y = 3

Add '-63' to each side of the equation.
63 + -63 + 8y = 3 + -63

Combine like terms: 63 + -63 = 0
0 + 8y = 3 + -63
8y = 3 + -63

Combine like terms: 3 + -63 = -60
8y = -60

Divide each side by '8'.
y = -7.5

Simplifying
y = -7.5

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