Asked by anonymous
Find the point of intercept of the lines 2.1y - 3.2x =1.3 and 1.1x +3.1y=9.8. consider significant digits.
Answers
Answered by
oobleck
let's use substitution.
From the first equation, y = (3.2x+1.3)/2.1
Plug that into the 2nd equation and you can find x:
1.1x + 3.1*(3.2x+1.3)/2.1 = 9.8
Then use that to find y.
From the first equation, y = (3.2x+1.3)/2.1
Plug that into the 2nd equation and you can find x:
1.1x + 3.1*(3.2x+1.3)/2.1 = 9.8
Then use that to find y.
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