-8=-4u+2(u+3)

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Solution for -8=-4u+2(u+3) equation:


Simplifying
-8 = -4u + 2(u + 3)

Reorder the terms:
-8 = -4u + 2(3 + u)
-8 = -4u + (3 * 2 + u * 2)
-8 = -4u + (6 + 2u)

Reorder the terms:
-8 = 6 + -4u + 2u

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

Solving
-8 = 6 + -2u

Solving for variable 'u'.

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

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

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

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

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

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

Divide each side by '2'.
u = 7

Simplifying
u = 7

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