3u-4=8(u+2)

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


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

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

Reorder the terms:
-4 + 3u = 8(2 + u)
-4 + 3u = (2 * 8 + u * 8)
-4 + 3u = (16 + 8u)

Solving
-4 + 3u = 16 + 8u

Solving for variable 'u'.

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

Add '-8u' to each side of the equation.
-4 + 3u + -8u = 16 + 8u + -8u

Combine like terms: 3u + -8u = -5u
-4 + -5u = 16 + 8u + -8u

Combine like terms: 8u + -8u = 0
-4 + -5u = 16 + 0
-4 + -5u = 16

Add '4' to each side of the equation.
-4 + 4 + -5u = 16 + 4

Combine like terms: -4 + 4 = 0
0 + -5u = 16 + 4
-5u = 16 + 4

Combine like terms: 16 + 4 = 20
-5u = 20

Divide each side by '-5'.
u = -4

Simplifying
u = -4

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