Question

13+2(1-u)=8u-5(u+7)​

Answer 1

Answer:

$13 + 2(1 - u) = 8u - 5(u + 7) \\ 13 + 2 - 2u = 8u - 5u - 35 \\ 15 - 2u = 3u - 35 \\ \\ saperate \: variables \: and \: constant \\ \\ - 2u - 3u = - 35 - 15 \\ - 5u = - 50 \\ u = \frac{ - 50}{ - 5} \\ u = 10$

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