-2u+4(u-4)=-20

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Solution for -2u+4(u-4)=-20 equation:


Simplifying
-2u + 4(u + -4) = -20

Reorder the terms:
-2u + 4(-4 + u) = -20
-2u + (-4 * 4 + u * 4) = -20
-2u + (-16 + 4u) = -20

Reorder the terms:
-16 + -2u + 4u = -20

Combine like terms: -2u + 4u = 2u
-16 + 2u = -20

Solving
-16 + 2u = -20

Solving for variable 'u'.

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

Add '16' to each side of the equation.
-16 + 16 + 2u = -20 + 16

Combine like terms: -16 + 16 = 0
0 + 2u = -20 + 16
2u = -20 + 16

Combine like terms: -20 + 16 = -4
2u = -4

Divide each side by '2'.
u = -2

Simplifying
u = -2

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