38=-3u+8(u+7)

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Solution for 38=-3u+8(u+7) equation:


Simplifying
38 = -3u + 8(u + 7)

Reorder the terms:
38 = -3u + 8(7 + u)
38 = -3u + (7 * 8 + u * 8)
38 = -3u + (56 + 8u)

Reorder the terms:
38 = 56 + -3u + 8u

Combine like terms: -3u + 8u = 5u
38 = 56 + 5u

Solving
38 = 56 + 5u

Solving for variable 'u'.

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

Add '-5u' to each side of the equation.
38 + -5u = 56 + 5u + -5u

Combine like terms: 5u + -5u = 0
38 + -5u = 56 + 0
38 + -5u = 56

Add '-38' to each side of the equation.
38 + -38 + -5u = 56 + -38

Combine like terms: 38 + -38 = 0
0 + -5u = 56 + -38
-5u = 56 + -38

Combine like terms: 56 + -38 = 18
-5u = 18

Divide each side by '-5'.
u = -3.6

Simplifying
u = -3.6

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