Question 191764
6s+2r=1


2r=1-6s


10r=5-30s


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10r-9s=18


5-30s-9s=18


5-39s=18


-39s=13


s=-1/3 <--------Answer # 1



10r=5-30s



10r=5-30(-1/3)



10r=5+10


10r=15


r=15/10


r=3/2  <--------Answer # 2