book Maths Puzzle Numerical Ability

This question is actually about elimination because there werent any catorgories for elimination. My question is:
5x-4y=1
7x+4y=11

Thanks for the help!

Read Solution (Total 0)

book Other Question

8b+2b-4=6 Here is a word problem that I need help with. I think I have the partial answer, but I am not too sure. Will you help me?

Find two postive numbers which differ by 3 and have a p