Question

aflati X daca [(X+3)x5-17]:3x10=60​

Answer 1

Răspuns:

[(X+3)x5-17]:3=60:10=6

(X+3)x5-17=6x3=18

(X+3)x5=18+17=35

X+3=35:5=7

X=7-3

X=4

Answer 2

[(X+3)×5-17]:3=60:10

[(X+3)×5-17]:3=6

(X+3)×5-17=6×3

(X+3)×5-17=18

(X+3)×5=18+17

(X+3)×5=35

X+3=35:5

X+3=7

X=7-3

X=4

S={4}