8=4u+2(u+7)

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Solution for 8=4u+2(u+7) equation:


Simplifying
8 = 4u + 2(u + 7)

Reorder the terms:
8 = 4u + 2(7 + u)
8 = 4u + (7 * 2 + u * 2)
8 = 4u + (14 + 2u)

Reorder the terms:
8 = 14 + 4u + 2u

Combine like terms: 4u + 2u = 6u
8 = 14 + 6u

Solving
8 = 14 + 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.
8 + -6u = 14 + 6u + -6u

Combine like terms: 6u + -6u = 0
8 + -6u = 14 + 0
8 + -6u = 14

Add '-8' to each side of the equation.
8 + -8 + -6u = 14 + -8

Combine like terms: 8 + -8 = 0
0 + -6u = 14 + -8
-6u = 14 + -8

Combine like terms: 14 + -8 = 6
-6u = 6

Divide each side by '-6'.
u = -1

Simplifying
u = -1

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