Question

15 × u= 135
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Answer 1

15u = 135

Divide both sides by 15

u = 135/15 = 9

U is equal to 9

Hope this helps!

Answer 2

`15 * 4 = 135 \\ divide \: both \: sides \: of \: equcation \\ by \: 15 \\ (15u)/(15) = (135)/(15) \\ u = (135)/(15) \\ u = 9`