Question

{[2xn-3)•5+7]:51+3}•2=10​

Answer 1

Rezolvarea in poza,succes

Answer 2

Răspuns:

Explicație pas cu pas:

[ 2*n-3)*5+7] :51+3=10:2

[(2*n-3)*5+7]:51+3=5

[(2*n-3)*5+7]:51=5-3

[(2*n-3)*5+7]:51=2

(2*n-3)*5+7=51*2

(2*n-3)*5+7=102

(2*n-3)*5=102-7

(2*n-3)*5=95

2*n-3=95:5

2*n-3=19

2*n=19+3

2*n=22

n=22:2

n=11