Question

Solve the following simultaneous equations.

2x+y=5 ; 3x-y=5

x=3 and y=1

x=2 and y=1

x=2 and y=-1

x=5 and y=1​

Answer 1

Answer:

2×3+1=5 and 3×3-1=5

6+1=5 and 9-1=5

7=5 and 8=5

no

2×2+1=5 and 3×2-1=5

4+1=5 and 6-1=5

5=5 and 5=5

yes