Question

aflati x daca 2a +b=5 si 4ax + 2bx +2 =22

Answer 1

2x(2a+b)=22-2=20 2x*5=20 2x=20:5=4 x=4:2=2 x=2

Answer 2

imparti 4ax+2bx+2=22 la 2 si totul devine 2ax+bx+1=11=>2ax+bx=10=>x(2a+b)=10=>xori 5=10=>x=2