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VMariaS [17]
3 years ago
12

X-4y=31 -x+3y=-25 find the so;ution

Advanced Placement (AP)
1 answer:
djyliett [7]3 years ago
5 0
A) x - 4y = 31
b) -x +3y = - 25
To solve ad up a) & b)

a) x - 4y = 31
b) -x +3y = - 25
   ----------    ------
   0.x - y   = 6     then y = -6
Now replace y by - 6 in any of te 2 equations & you'll find x = 7
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