5(3x+5)+2(x+1)=7x+10 ??

Răspuns :

Explicație pas cu pas:

15x+25+2x+2=7x+10

17x+27=7x+10

17x+17=7x

17=-10x

x=(-1,7)

Răspuns:

5(3x+5)+2(x+1)=7x+10

15x+25+2x+2=7x+10

15x+2x-7x=10-27

10x=-17

x=-17/10

x=-1,7