Question

How do you evaluate `3( a + c/a) -b` given a= 2, b= 7, and c= 4?

Answer 1

If `a=2`, `b=7` and `c=4`, `3(a+c/a)-b=5`

Explanation:

As `a=2`, `b=7` and `c=4`,

`3(a+c/a)-b`

`hArr3(2+4/2)-7`

= `3(2+2)-7`

= `3xx4-7`

= `12-7=5`