Question

daca c x (3 + d) =140 si c x d = 125 calculeaza pe c

Answer 1

cx(3+d)=140
cxd=125

Prima,expresie,se,mai,scrie,si,3xc+cxd=140
Stim,ca,cxd=125=>3xc=140-125=>3xc=15=>c=5=>d=125:5=>d=25

Answer 2

C x (3+ d) =140
3xC + Cx D = 140
3C +125 = 140
3C = 140-125
3c = 15
c = 5