7+6y-(5y+9)-(4y+9)=

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Solution for 7+6y-(5y+9)-(4y+9)= equation:


Simplifying
7 + 6y + -1(5y + 9) + -1(4y + 9) = 0

Reorder the terms:
7 + 6y + -1(9 + 5y) + -1(4y + 9) = 0
7 + 6y + (9 * -1 + 5y * -1) + -1(4y + 9) = 0
7 + 6y + (-9 + -5y) + -1(4y + 9) = 0

Reorder the terms:
7 + 6y + -9 + -5y + -1(9 + 4y) = 0
7 + 6y + -9 + -5y + (9 * -1 + 4y * -1) = 0
7 + 6y + -9 + -5y + (-9 + -4y) = 0

Reorder the terms:
7 + -9 + -9 + 6y + -5y + -4y = 0

Combine like terms: 7 + -9 = -2
-2 + -9 + 6y + -5y + -4y = 0

Combine like terms: -2 + -9 = -11
-11 + 6y + -5y + -4y = 0

Combine like terms: 6y + -5y = 1y
-11 + 1y + -4y = 0

Combine like terms: 1y + -4y = -3y
-11 + -3y = 0

Solving
-11 + -3y = 0

Solving for variable 'y'.

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

Add '11' to each side of the equation.
-11 + 11 + -3y = 0 + 11

Combine like terms: -11 + 11 = 0
0 + -3y = 0 + 11
-3y = 0 + 11

Combine like terms: 0 + 11 = 11
-3y = 11

Divide each side by '-3'.
y = -3.666666667

Simplifying
y = -3.666666667

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