Tutors do not do your homework.
The only way you will learn is by trying to solve these yourself.
See your first post/problem below.
I worked out one problem in detail. Follow this example to do all these problems.
If you get stuck post your work and someone will help you.
Solve the systems of equations by elimination.
1. -2x+y=7 2. 2x+y=-9
6x+12y=24 4x+3y=1
3. 7x+3y=-1.5 4.2x-3y=-0.27
2x-5y=-30.3 5x2y=0.04
1 answer
1 answer