Ask your own question, for FREE!
Mathematics 15 Online
OpenStudy (anonymous):

solve the following systems of equations show work please. 4x+5y=7 6x-2y=-18

OpenStudy (anonymous):

4x+5y=7....(i) 6x-2y=-18...(ii) I'll show u using elimination method u multiply equation (i) by 3 u multiply equation (ii) by 2 12x+15y=21 -)12x-4y=-36 ----------- 0 + 19y=57 19y=57 y=3

OpenStudy (anonymous):

plug y back in any equation u get -2

OpenStudy (anonymous):

for example 4x=7-5(3) 4x=-8 x=-2

OpenStudy (anonymous):

so would the answer be 19y=57 y=3 ^ would that be my answer cause you got me lost after you posted that

Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!
Latest Questions
Breathless: Spooky witch but cute
4 hours ago 3 Replies 0 Medals
Arriyanalol: help
4 hours ago 10 Replies 2 Medals
Arriyanalol: @tinydinoUwU stop trying to find a argument u blad lil boy
1 day ago 5 Replies 4 Medals
Jaded012023: Please tell me what you all think of this song
7 hours ago 6 Replies 1 Medal
Arriyanalol: bro how
7 hours ago 2 Replies 3 Medals
Arriyanalol: cant wait for the new bluey movie in 2027
1 day ago 12 Replies 2 Medals
Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!