8u+42=5(u+6)

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Solution for 8u+42=5(u+6) equation:


Simplifying
8u + 42 = 5(u + 6)

Reorder the terms:
42 + 8u = 5(u + 6)

Reorder the terms:
42 + 8u = 5(6 + u)
42 + 8u = (6 * 5 + u * 5)
42 + 8u = (30 + 5u)

Solving
42 + 8u = 30 + 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.
42 + 8u + -5u = 30 + 5u + -5u

Combine like terms: 8u + -5u = 3u
42 + 3u = 30 + 5u + -5u

Combine like terms: 5u + -5u = 0
42 + 3u = 30 + 0
42 + 3u = 30

Add '-42' to each side of the equation.
42 + -42 + 3u = 30 + -42

Combine like terms: 42 + -42 = 0
0 + 3u = 30 + -42
3u = 30 + -42

Combine like terms: 30 + -42 = -12
3u = -12

Divide each side by '3'.
u = -4

Simplifying
u = -4

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