-28=-8u+2(u+7)

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Solution for -28=-8u+2(u+7) equation:


Simplifying
-28 = -8u + 2(u + 7)

Reorder the terms:
-28 = -8u + 2(7 + u)
-28 = -8u + (7 * 2 + u * 2)
-28 = -8u + (14 + 2u)

Reorder the terms:
-28 = 14 + -8u + 2u

Combine like terms: -8u + 2u = -6u
-28 = 14 + -6u

Solving
-28 = 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.
-28 + 6u = 14 + -6u + 6u

Combine like terms: -6u + 6u = 0
-28 + 6u = 14 + 0
-28 + 6u = 14

Add '28' to each side of the equation.
-28 + 28 + 6u = 14 + 28

Combine like terms: -28 + 28 = 0
0 + 6u = 14 + 28
6u = 14 + 28

Combine like terms: 14 + 28 = 42
6u = 42

Divide each side by '6'.
u = 7

Simplifying
u = 7

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