-2(u+6)=-6u+20

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Solution for -2(u+6)=-6u+20 equation:


Simplifying
-2(u + 6) = -6u + 20

Reorder the terms:
-2(6 + u) = -6u + 20
(6 * -2 + u * -2) = -6u + 20
(-12 + -2u) = -6u + 20

Reorder the terms:
-12 + -2u = 20 + -6u

Solving
-12 + -2u = 20 + -6u

Solving for variable 'u'.

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

Add '6u' to each side of the equation.
-12 + -2u + 6u = 20 + -6u + 6u

Combine like terms: -2u + 6u = 4u
-12 + 4u = 20 + -6u + 6u

Combine like terms: -6u + 6u = 0
-12 + 4u = 20 + 0
-12 + 4u = 20

Add '12' to each side of the equation.
-12 + 12 + 4u = 20 + 12

Combine like terms: -12 + 12 = 0
0 + 4u = 20 + 12
4u = 20 + 12

Combine like terms: 20 + 12 = 32
4u = 32

Divide each side by '4'.
u = 8

Simplifying
u = 8

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