Question

stiind ca ax+3bx+x=30 si a+3b+1=5,cu cat este egal cu cat?

Answer 1

X= 6 . se rezolva asa: dam factor comun si avem x( a+ 3b+1) = 30 , x* 5= 30 ; x= 6.

Answer 2

ax+3bx+x=30
x(a+3b+1)=30
x*5=30
x=30:5
x=6