How do you graph the system of equations #21x + 7y = 42# and #- 5x + 5y = 10#?
1 Answer
Dec 14, 2016
Plot each equation on the same graph using arbitrary solutions (at least 2 points) for each equation.
Explanation:
For the equation:
two possible solutions are:
For the equation:
two possible solutions are:
Plotting these points (and drawing a line through each equations pair of points):