ilovejustinbieber20
ilovejustinbieber20
05-05-2017
Mathematics
contestada
Helpppp failingggg mathhh
Respuesta :
irspow
irspow
05-05-2017
If they are congruent (equal) then we can say...
x=y-1 and 3x-2=2y+1
If we substitute x=y-1 in the second equation we get:
3(y-1)-2=2y+1
3y-3-2=2y+1
3y-5=2y+1
y-5=1
y=6, and since x=y-1
x=5
So x=5 and y=6
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