How do you solve the system of equations #y= \frac { 2} { 7} x - 9# and #y = \frac { 7} { 2} x + 8#?
1 Answer
Jul 21, 2017
There are many methods to use; but I would suggest to use substitution because you do not have to move the equations to their standard form.
Explanation:
Since both of the equations are equal to y, we can infer that they are the same and solve for x, and then plug in the x-value for the y-value. And you know it's going to have one solution because they are both linear.