How do you solve #2x + y = 5# and #y = 3x + 2# using substitution?
2 Answers
Explanation:
Putting
or
or
or
or
By putting
we get
or
or
or
or
Explanation:
This type of question is particularly common when working with straight lines.
Note that there is a single
At the point where the two lines intersect, the
If
There are now two equations to find a value for y. If we get the same answer for each we will know our answers are correct.