Question

Solve the formula 9x-8y= 17 for y when x=1

Answer 1

Solution

9x-8y=17

or,(3x)^2- (8y)^2 =17

or,( 3x+8y) (3x-8y) =17 [(a)^2-(b)^2=(a+b)(a-b)]

Either. OR

3x+8y=17. 3x-8y=17

TO BE CONTINUED