How so I solve x=3 3x+y=15 ? Thank you
1 Answer
May 10, 2018
Explanation:
#x=3to(1)#
#3x+y=15to(2)#
#"substitute "x=3" into equation "(2)#
#rArr9+y=15#
#"subtract 9 from both sides"#
#rArry=15-9=6#
#"the point of intersection of the 2 lines "=(3,6)#
graph{(y+3x-15)(y-1000x+3000)=0 [-12.66, 12.65, -6.33, 6.33]}