-(3y-1)-(-2y+8)=4

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Solution for -(3y-1)-(-2y+8)=4 equation: 


Simplifying
-1(3y + -1) + -1(-2y + 8) = 4

Reorder the terms:
-1(-1 + 3y) + -1(-2y + 8) = 4
(-1 * -1 + 3y * -1) + -1(-2y + 8) = 4
(1 + -3y) + -1(-2y + 8) = 4

Reorder the terms:
1 + -3y + -1(8 + -2y) = 4
1 + -3y + (8 * -1 + -2y * -1) = 4
1 + -3y + (-8 + 2y) = 4

Reorder the terms:
1 + -8 + -3y + 2y = 4

Combine like terms: 1 + -8 = -7
-7 + -3y + 2y = 4

Combine like terms: -3y + 2y = -1y
-7 + -1y = 4

Solving
-7 + -1y = 4

Solving for variable 'y'.

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

Add '7' to each side of the equation.
-7 + 7 + -1y = 4 + 7

Combine like terms: -7 + 7 = 0
0 + -1y = 4 + 7
-1y = 4 + 7

Combine like terms: 4 + 7 = 11
-1y = 11

Divide each side by '-1'.
y = -11

Simplifying
y = -11

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