Asked by WURAOLA
2r+3s=29
3r+2s=16
In elimination method
3r+2s=16
In elimination method
Answers
Answered by
Kenny
2r+3s=29...
3r+2s=16....
You have two choices eliminate r or s
I choose r
Multiply the first equation by 3
And the second by2
6r+9s=87.....(*)
9r+4s=32.....(**)
Subtract (**) from *
9s-4s=87-32
5s=55
s=11
To get r now from the very (*)
6r=87-9s
r=(87-9s)/6=?
Or
Assuming you want to do this all over again
This time eliminate s to get r what would you do??
3r+2s=16....
You have two choices eliminate r or s
I choose r
Multiply the first equation by 3
And the second by2
6r+9s=87.....(*)
9r+4s=32.....(**)
Subtract (**) from *
9s-4s=87-32
5s=55
s=11
To get r now from the very (*)
6r=87-9s
r=(87-9s)/6=?
Or
Assuming you want to do this all over again
This time eliminate s to get r what would you do??
Answered by
Kenny
Correction
6r+9s=87...(*)
6r+4s=33...(**)
6r+9s=87...(*)
6r+4s=33...(**)
Answered by
Kenny
Arrrrg
Correction again
6r+9s=87...(*)
6r+4s=32...(**)
Correction again
6r+9s=87...(*)
6r+4s=32...(**)
Answered by
BIMPE
R IS = TO WHAT
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