multiply first equation by 5
15 x -10 y = 30
second equation by -3
-15 x - 21 y = -123
add
0 x - 31 y = -93
y = 93/31 = 3
go back and get x
How can I find the Intersection between 3x -2y =6 and 5x +7y =41?
1 answer