20
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5+10 =15
If 10x is 5 more than 10 then 10x = 15 so that x = 15/10 = 1.5 And so 2x = 2*1.5 = 3.
Quotent is the result of a division 15/(a+5)=10 multiply both sides by (a+5) 15=10a+50 10a=-35 a=-3.5
5
5 + 17 = 22 5 x 3 = 15 15 + 2 = 17