emotionalduck emotionalduck

08-12-2016
Mathematics

Answered

solve the system of equations below by graphing both equations. What is the solution

y = -x + 21

y = -2x + 30

Verified Answer :

MissPhiladelphia MissPhiladelphia

13-12-2016

From the equations given above, you can graph them by the slope and the y-intercept. I will be solving this by substitution method. It will be giving the same values as with graphing. We do as follows:

-2x + 30 = -x + 21
-x = -9
x = 9
y = -9+21 = 12

Hope this helps. Have a nice day.

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