Question

Rezolvati in Q urm. fractii:
a) 3(x-1)=x+1
b)2(x+3)-5=x-7
c)4(x+8)=3(x-2)

Answer 1

a) 3x-3=x+1
3x-x=3+1
2x=4
x=4:2
x=2
b)2x+6-5=x-7
2x-x=-7-6+5
x=-8
c)4x+32=3x-6
4x-3x=-32-6
x=-38
Sunt ecuatii...