jak11
jak11
23-01-2018
Mathematics
contestada
i need help on how to do this
Respuesta :
estherng0722
estherng0722
23-01-2018
x-2y=10 x+3y=5
x=10+2y--(1) x=5-3y--(2)
Equate (1) and (2) to find y,
10+2y=5-3y
3y+2y=5-10
5y=-5
y=-1
Substitute y=-1 into (1),
x=10+2(1)
= 12
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