How do you solve y = 3x - 4 and 2x - y = 1?
2 Answers
The solution is
Explanation:
Hence you have two linear equations we have that
since the first parts are equal so the second are
Explanation:
Since
So,
Expand the brackets.
Which gets you:
Move the 4 over so
Switch them over so your
To find
So,
To check:
Substitute the values of