12=-4u+8(u+2)

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Solution for 12=-4u+8(u+2) equation:


Simplifying
12 = -4u + 8(u + 2)

Reorder the terms:
12 = -4u + 8(2 + u)
12 = -4u + (2 * 8 + u * 8)
12 = -4u + (16 + 8u)

Reorder the terms:
12 = 16 + -4u + 8u

Combine like terms: -4u + 8u = 4u
12 = 16 + 4u

Solving
12 = 16 + 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 + -4u = 16 + 4u + -4u

Combine like terms: 4u + -4u = 0
12 + -4u = 16 + 0
12 + -4u = 16

Add '-12' to each side of the equation.
12 + -12 + -4u = 16 + -12

Combine like terms: 12 + -12 = 0
0 + -4u = 16 + -12
-4u = 16 + -12

Combine like terms: 16 + -12 = 4
-4u = 4

Divide each side by '-4'.
u = -1

Simplifying
u = -1

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