Solve by the elimination method

0.3x-0.2y=4
0.4x+0.5y= - 55/17

Thank you

1 answer

multiply the first equation by 5, the second equation by2

1.5x-y=20
.8x+y=-110/17

add the equations

2.3x=20-110/17
multipy both sides by 17
39.1x=340-110
x= 230/39.1
Similar Questions
    1. answers icon 1 answer
    1. answers icon 4 answers
  1. Solve by eliminnation methods2x-4y=5 2x-4y=6 solve the system by elimination method 5x+2y= -13 7x-3y=17 Solve x+6<-7 or x+6>4
    1. answers icon 1 answer
  2. elimination method really confuses me.solve by elimination method 5r -3s = 17 3r + 5s =17 A. solution is ______ (ordered pair,
    1. answers icon 4 answers
more similar questions