(y+5)-(3y+9)=

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Solution for (y+5)-(3y+9)= equation:


Simplifying
(y + 5) + -1(3y + 9) = 0

Reorder the terms:
(5 + y) + -1(3y + 9) = 0

Remove parenthesis around (5 + y)
5 + y + -1(3y + 9) = 0

Reorder the terms:
5 + y + -1(9 + 3y) = 0
5 + y + (9 * -1 + 3y * -1) = 0
5 + y + (-9 + -3y) = 0

Reorder the terms:
5 + -9 + y + -3y = 0

Combine like terms: 5 + -9 = -4
-4 + y + -3y = 0

Combine like terms: y + -3y = -2y
-4 + -2y = 0

Solving
-4 + -2y = 0

Solving for variable 'y'.

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

Add '4' to each side of the equation.
-4 + 4 + -2y = 0 + 4

Combine like terms: -4 + 4 = 0
0 + -2y = 0 + 4
-2y = 0 + 4

Combine like terms: 0 + 4 = 4
-2y = 4

Divide each side by '-2'.
y = -2

Simplifying
y = -2

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