1.

i ¢ &46-x; ffs+xg_((—_,xR"I ERt gt e A

Answer»

x/7=y/33x=7yy/x=3/7

Let 3x+5y/A=x/721x+35y=AxDivide by xA=21+35y/xA=21+35(3/7)A=21+15=36

Let 7x-3y/B=x/749x-21y=BxDivide by xB=49-21y/xB=49-21(3/7)B=49-9=40



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