12=4(u+8)-8u

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


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

Reorder the terms:
12 = 4(8 + u) + -8u
12 = (8 * 4 + u * 4) + -8u
12 = (32 + 4u) + -8u

Combine like terms: 4u + -8u = -4u
12 = 32 + -4u

Solving
12 = 32 + -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 = 32 + -4u + 4u

Combine like terms: -4u + 4u = 0
12 + 4u = 32 + 0
12 + 4u = 32

Add '-12' to each side of the equation.
12 + -12 + 4u = 32 + -12

Combine like terms: 12 + -12 = 0
0 + 4u = 32 + -12
4u = 32 + -12

Combine like terms: 32 + -12 = 20
4u = 20

Divide each side by '4'.
u = 5

Simplifying
u = 5

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