作业帮solve the problems4^x-8^y=03^(X+1).9^(-y)=1
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solve the problems4^x-8^y=03^(X+1).9^(-y)=1
solve the problems
4^x-8^y=0
3^(X+1).9^(-y)=1
solve the problems4^x-8^y=03^(X+1).9^(-y)=1
4^x-8^y=0
2^2x=2^3y
2x=3y
3^(x+1).9^(-y)=1
3^(x+1).3^(-2y)=1
x+1-2y=0
y=2,x=3