9(y+9)+y=3(y+4)-2

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Solution for 9(y+9)+y=3(y+4)-2 equation:


Simplifying
9(y + 9) + y = 3(y + 4) + -2

Reorder the terms:
9(9 + y) + y = 3(y + 4) + -2
(9 * 9 + y * 9) + y = 3(y + 4) + -2
(81 + 9y) + y = 3(y + 4) + -2

Combine like terms: 9y + y = 10y
81 + 10y = 3(y + 4) + -2

Reorder the terms:
81 + 10y = 3(4 + y) + -2
81 + 10y = (4 * 3 + y * 3) + -2
81 + 10y = (12 + 3y) + -2

Reorder the terms:
81 + 10y = 12 + -2 + 3y

Combine like terms: 12 + -2 = 10
81 + 10y = 10 + 3y

Solving
81 + 10y = 10 + 3y

Solving for variable 'y'.

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

Add '-3y' to each side of the equation.
81 + 10y + -3y = 10 + 3y + -3y

Combine like terms: 10y + -3y = 7y
81 + 7y = 10 + 3y + -3y

Combine like terms: 3y + -3y = 0
81 + 7y = 10 + 0
81 + 7y = 10

Add '-81' to each side of the equation.
81 + -81 + 7y = 10 + -81

Combine like terms: 81 + -81 = 0
0 + 7y = 10 + -81
7y = 10 + -81

Combine like terms: 10 + -81 = -71
7y = -71

Divide each side by '7'.
y = -10.14285714

Simplifying
y = -10.14285714

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