-2(y+4)+4(2y+5)=

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Solution for -2(y+4)+4(2y+5)= equation:


Simplifying
-2(y + 4) + 4(2y + 5) = 0

Reorder the terms:
-2(4 + y) + 4(2y + 5) = 0
(4 * -2 + y * -2) + 4(2y + 5) = 0
(-8 + -2y) + 4(2y + 5) = 0

Reorder the terms:
-8 + -2y + 4(5 + 2y) = 0
-8 + -2y + (5 * 4 + 2y * 4) = 0
-8 + -2y + (20 + 8y) = 0

Reorder the terms:
-8 + 20 + -2y + 8y = 0

Combine like terms: -8 + 20 = 12
12 + -2y + 8y = 0

Combine like terms: -2y + 8y = 6y
12 + 6y = 0

Solving
12 + 6y = 0

Solving for variable 'y'.

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

Add '-12' to each side of the equation.
12 + -12 + 6y = 0 + -12

Combine like terms: 12 + -12 = 0
0 + 6y = 0 + -12
6y = 0 + -12

Combine like terms: 0 + -12 = -12
6y = -12

Divide each side by '6'.
y = -2

Simplifying
y = -2

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