Question

ecuatie de gradul 1 cu necunoscuta x,coeficientul 5 si termenul liber -8 are forma:
a)5x+8=0
b)8x+5=0
c)5x-8=0
d)5x-8

Answer 1

c)5x-8=0<=>
<=>5x=0+8<=>
<=>5x=8<=>
<=>x=8:5<=>
<=>x=1,6
S={1,6}

Answer 2

c)5x-8=0<=>
<=>5x=0+8<=>
<=>5x=8<=>
<=>x=8:5<=>
<=>x=1,6
S={1,6}