Question 777493
15 + q/6 = -21 

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1st: Get rid of the denomiator(s)
90 + q = -126
2nd::Isolate the variable
q = -126-90
q = -216
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And 
14 + m/10 = 24
140 + m =240
m = 240-140
m =100
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Cheers,
Stan H.