-(5y+4)-(4y-8)=-1

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Solution for -(5y+4)-(4y-8)=-1 equation:


Simplifying
-1(5y + 4) + -1(4y + -8) = -1

Reorder the terms:
-1(4 + 5y) + -1(4y + -8) = -1
(4 * -1 + 5y * -1) + -1(4y + -8) = -1
(-4 + -5y) + -1(4y + -8) = -1

Reorder the terms:
-4 + -5y + -1(-8 + 4y) = -1
-4 + -5y + (-8 * -1 + 4y * -1) = -1
-4 + -5y + (8 + -4y) = -1

Reorder the terms:
-4 + 8 + -5y + -4y = -1

Combine like terms: -4 + 8 = 4
4 + -5y + -4y = -1

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

Solving
4 + -9y = -1

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 + -9y = -1 + -4

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

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

Divide each side by '-9'.
y = 0.5555555556

Simplifying
y = 0.5555555556

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