How do you solve 2x-y+2 and 2x+3y=22?
1 Answer
Apr 1, 2018
Using addition and subtraction
Explanation:
Consider
Subtracting (ii) from (i)
On solving we get
Putting
Giving
Using addition and subtraction
Consider
Subtracting (ii) from (i)
On solving we get
Putting
Giving