-2(u+5)=8u-40

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Solution for -2(u+5)=8u-40 equation:


Simplifying
-2(u + 5) = 8u + -40

Reorder the terms:
-2(5 + u) = 8u + -40
(5 * -2 + u * -2) = 8u + -40
(-10 + -2u) = 8u + -40

Reorder the terms:
-10 + -2u = -40 + 8u

Solving
-10 + -2u = -40 + 8u

Solving for variable 'u'.

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

Add '-8u' to each side of the equation.
-10 + -2u + -8u = -40 + 8u + -8u

Combine like terms: -2u + -8u = -10u
-10 + -10u = -40 + 8u + -8u

Combine like terms: 8u + -8u = 0
-10 + -10u = -40 + 0
-10 + -10u = -40

Add '10' to each side of the equation.
-10 + 10 + -10u = -40 + 10

Combine like terms: -10 + 10 = 0
0 + -10u = -40 + 10
-10u = -40 + 10

Combine like terms: -40 + 10 = -30
-10u = -30

Divide each side by '-10'.
u = 3

Simplifying
u = 3

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