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

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


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

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

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

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

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

Combine like terms: -5y + 4y = -1y
-5 + -1y = -7

Solving
-5 + -1y = -7

Solving for variable 'y'.

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

Add '5' to each side of the equation.
-5 + 5 + -1y = -7 + 5

Combine like terms: -5 + 5 = 0
0 + -1y = -7 + 5
-1y = -7 + 5

Combine like terms: -7 + 5 = -2
-1y = -2

Divide each side by '-1'.
y = 2

Simplifying
y = 2

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