book Maths Puzzle Numerical Ability

I need to know how to graph
2x-7y=3
5x-4y=-6

And I also need to know how many solutions it has.
Could you please help me? thanks!

Read Solution (Total 0)

book Other Question

Evaluate the expression: 3.2^-3/5.

I have come up with two different answers when I went my an checked my work.

Thanks so much for anyones help What is the solution to this problem and it's steps?
25 - [2 + 5y - 3(y +2)] = -3(2y -5) - [5(y - 1) 1 3y + 3]