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

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


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

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

Reorder the terms:
-4 = 16 + 2u + 8u

Combine like terms: 2u + 8u = 10u
-4 = 16 + 10u

Solving
-4 = 16 + 10u

Solving for variable 'u'.

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

Add '-10u' to each side of the equation.
-4 + -10u = 16 + 10u + -10u

Combine like terms: 10u + -10u = 0
-4 + -10u = 16 + 0
-4 + -10u = 16

Add '4' to each side of the equation.
-4 + 4 + -10u = 16 + 4

Combine like terms: -4 + 4 = 0
0 + -10u = 16 + 4
-10u = 16 + 4

Combine like terms: 16 + 4 = 20
-10u = 20

Divide each side by '-10'.
u = -2

Simplifying
u = -2

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