Question

Rezolvati in În ecuatiile:a)[(x:2)•4]:3=60 b){[(x:2):3]:4}:5=1 c) {[(x+2):3]•4}:5=100.Varoog ajutatima.

Answer 1

a) [(X:2)•4]=60x3 (X:2)•4=180 X:2=180:4 X:2=45 X=45•2 X=90 b) {[(x:2):3]:4}:5=1 {[(x:2):3]:4}=5 [(X:2):3]=5•4 [(X:2):3]=2 (X:2)=2•3 X:2=6 X=12 c) {[(x+2):3]•4}=500 [(X+2):3]=500:4 (X+2):3=125 X+2=125•3 X+2=375 X=373

Answer 2

(x:2)egal 60x3:4       b) x egal1x5x4x3x2    xegal120
(x:2)egal30                c)xegal100x5:4x3-2      xegal373
Xegal30:2
Xegal15