2=2(u+4)-8u

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


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

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

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

Solving
2 = 8 + -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.
2 + 6u = 8 + -6u + 6u

Combine like terms: -6u + 6u = 0
2 + 6u = 8 + 0
2 + 6u = 8

Add '-2' to each side of the equation.
2 + -2 + 6u = 8 + -2

Combine like terms: 2 + -2 = 0
0 + 6u = 8 + -2
6u = 8 + -2

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

Divide each side by '6'.
u = 1

Simplifying
u = 1

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