y-2(y+4)=1

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


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

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

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

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

Solving
-8 + -1y = 1

Solving for variable 'y'.

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

Add '8' to each side of the equation.
-8 + 8 + -1y = 1 + 8

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

Combine like terms: 1 + 8 = 9
-1y = 9

Divide each side by '-1'.
y = -9

Simplifying
y = -9

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