-(3y+9)-(-2y-5)=-9

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Solution for -(3y+9)-(-2y-5)=-9 equation:


Simplifying
-1(3y + 9) + -1(-2y + -5) = -9

Reorder the terms:
-1(9 + 3y) + -1(-2y + -5) = -9
(9 * -1 + 3y * -1) + -1(-2y + -5) = -9
(-9 + -3y) + -1(-2y + -5) = -9

Reorder the terms:
-9 + -3y + -1(-5 + -2y) = -9
-9 + -3y + (-5 * -1 + -2y * -1) = -9
-9 + -3y + (5 + 2y) = -9

Reorder the terms:
-9 + 5 + -3y + 2y = -9

Combine like terms: -9 + 5 = -4
-4 + -3y + 2y = -9

Combine like terms: -3y + 2y = -1y
-4 + -1y = -9

Solving
-4 + -1y = -9

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 + -1y = -9 + 4

Combine like terms: -4 + 4 = 0
0 + -1y = -9 + 4
-1y = -9 + 4

Combine like terms: -9 + 4 = -5
-1y = -5

Divide each side by '-1'.
y = 5

Simplifying
y = 5

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