61.7k views
5 votes
4x-3y=30
3x+2y=22
(6,-2)

2 Answers

0 votes

(6,-2) is true for 4x-3y=30 but NOT for 3x+2y=22.

4*6=24

3*(-2)=-6

24-(-6) changes to 24+6 which equals 30

24+6=30.

3*6=18

2*(-2)=-4

18+(-4) would be changed to 18-4

18-4=14

User Emjey
by
4.4k points
4 votes
In place of x you keep 6 and in place of y you keep -2
User NathanQ
by
6.3k points
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.