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

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


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

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

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

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

Combine like terms: -4 + 5 = 1
1 + -6y + 5y = -9

Combine like terms: -6y + 5y = -1y
1 + -1y = -9

Solving
1 + -1y = -9

Solving for variable 'y'.

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

Add '-1' to each side of the equation.
1 + -1 + -1y = -9 + -1

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

Combine like terms: -9 + -1 = -10
-1y = -10

Divide each side by '-1'.
y = 10

Simplifying
y = 10

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