x – 3y = 25

x – 2y = 21

find the x and y values
i think x=-13 and y=4
am i right?

5 answers

Right

yes thank you!!!!!!!

You're welcome.

I put both systems of equations into the y=mx+b format.

subtract them as they sit

-y = 4
y = -4

back into the first:
x -3(-4) = 25
x + 12 = 25
x = 13

x = 13, y = -4 , you had them opposite.