Question

5a-2b supra2a+b=1supra4 calculati a supra b

Answer 1

(5a-2b)/(2a+b)=1/4
4(5a-2b)=2a+b
20a-8b=2a+b
18a=9b
2a=b
a/b=1/2

Answer 2

(5a-2b)/2a =  \frac{1}{4} 
4(5a-2b)=2a+b20a-8b
=2a+b18a
=9b2a=
\frac{a}{b} = \frac{1}{2}