exam Maths Puzzle Numerical Ability

Can someone help me on this problem?

I need to solve the following systems by substitution:

4x - 12y = 5
-x + 3y = -1

Thanks,
Lyn

Read Solution (Total 0)

exam Other Question

Solve the system by graphing.

3x+y=6

3x-y=0
3(4X+5)+2(7X+3)=