What are your attempts at these?
Have you herd the expression "Inverse operations"?
Hi, have just started a foundation degree, am doing A level algebra as part of the course, it is all new to me . Please could somebody help me with the following questions. I need the method for solving these? Any help would be appreciated. See pic below, thankyou
http://i51.tinypic.com/2mnj3uf.jpg
This is a novel approach although I don't think the method from the 1st question here could match the other questions. You need to know about using inverse operations and which to apply when.
Making k the subject you need to move it into the numerator.
As it is being divided in the RHS we need to multiply (the inverse of divide) to both sides giving
Now the only thing keep k from being isolated is the a. It is multiplying so we need to divide it from both sides giving