12=8(u+8)+5u

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Solution for 12=8(u+8)+5u equation:


Simplifying
12 = 8(u + 8) + 5u

Reorder the terms:
12 = 8(8 + u) + 5u
12 = (8 * 8 + u * 8) + 5u
12 = (64 + 8u) + 5u

Combine like terms: 8u + 5u = 13u
12 = 64 + 13u

Solving
12 = 64 + 13u

Solving for variable 'u'.

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

Add '-13u' to each side of the equation.
12 + -13u = 64 + 13u + -13u

Combine like terms: 13u + -13u = 0
12 + -13u = 64 + 0
12 + -13u = 64

Add '-12' to each side of the equation.
12 + -12 + -13u = 64 + -12

Combine like terms: 12 + -12 = 0
0 + -13u = 64 + -12
-13u = 64 + -12

Combine like terms: 64 + -12 = 52
-13u = 52

Divide each side by '-13'.
u = -4

Simplifying
u = -4

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