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vovangra [49]
3 years ago
11

Plz help me with this

Mathematics
1 answer:
shtirl [24]3 years ago
5 0
2x-7y=18 _(1)
-2x+4y=5

11y=23 , Y=23/11 sub in 1

2x-7×23/11=18

2x = 18×11 + 7×23

x = ( 198 + 161 )/2 = 359/2
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