2(u+4)=-5u-20

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Solution for 2(u+4)=-5u-20 equation:


Simplifying
2(u + 4) = -5u + -20

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

Reorder the terms:
8 + 2u = -20 + -5u

Solving
8 + 2u = -20 + -5u

Solving for variable 'u'.

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

Add '5u' to each side of the equation.
8 + 2u + 5u = -20 + -5u + 5u

Combine like terms: 2u + 5u = 7u
8 + 7u = -20 + -5u + 5u

Combine like terms: -5u + 5u = 0
8 + 7u = -20 + 0
8 + 7u = -20

Add '-8' to each side of the equation.
8 + -8 + 7u = -20 + -8

Combine like terms: 8 + -8 = 0
0 + 7u = -20 + -8
7u = -20 + -8

Combine like terms: -20 + -8 = -28
7u = -28

Divide each side by '7'.
u = -4

Simplifying
u = -4

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