Asked by jess
Solve by the elimination method
0.3x-0.2y=4
0.4x+0.5y= - 55/17
Thank you
0.3x-0.2y=4
0.4x+0.5y= - 55/17
Thank you
Answers
Answered by
bobpursley
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
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
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