Question

x+2y=7
4x-y=3
me ajudem por favor gente

Answer 1

4x-y=3
-y=3-4x
-3+4/x=y

x+2.(-3+4/x) = 7
x+2.(1/x) = 7
x+2+2x = 7
3x = 7-2
3x = 5
x = 5/3
x = 2,66✓



4.(2,66)-y = 3
10,64-y = 3
10,64+3 = y
y= 13,64✓

Espero ter ajudado