2(u+6)=4u+20

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Solution for 2(u+6)=4u+20 equation:


Simplifying
2(u + 6) = 4u + 20

Reorder the terms:
2(6 + u) = 4u + 20
(6 * 2 + u * 2) = 4u + 20
(12 + 2u) = 4u + 20

Reorder the terms:
12 + 2u = 20 + 4u

Solving
12 + 2u = 20 + 4u

Solving for variable 'u'.

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

Add '-4u' to each side of the equation.
12 + 2u + -4u = 20 + 4u + -4u

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

Combine like terms: 4u + -4u = 0
12 + -2u = 20 + 0
12 + -2u = 20

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

Combine like terms: 12 + -12 = 0
0 + -2u = 20 + -12
-2u = 20 + -12

Combine like terms: 20 + -12 = 8
-2u = 8

Divide each side by '-2'.
u = -4

Simplifying
u = -4

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