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

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


Simplifying
(2y + -1) + -1(8y + 2) = 0

Reorder the terms:
(-1 + 2y) + -1(8y + 2) = 0

Remove parenthesis around (-1 + 2y)
-1 + 2y + -1(8y + 2) = 0

Reorder the terms:
-1 + 2y + -1(2 + 8y) = 0
-1 + 2y + (2 * -1 + 8y * -1) = 0
-1 + 2y + (-2 + -8y) = 0

Reorder the terms:
-1 + -2 + 2y + -8y = 0

Combine like terms: -1 + -2 = -3
-3 + 2y + -8y = 0

Combine like terms: 2y + -8y = -6y
-3 + -6y = 0

Solving
-3 + -6y = 0

Solving for variable 'y'.

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

Add '3' to each side of the equation.
-3 + 3 + -6y = 0 + 3

Combine like terms: -3 + 3 = 0
0 + -6y = 0 + 3
-6y = 0 + 3

Combine like terms: 0 + 3 = 3
-6y = 3

Divide each side by '-6'.
y = -0.5

Simplifying
y = -0.5

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