Question

(21-x)•6+3:0,6=22,82

Answer 1

$(21 - x) \times 6 + 3 = 22.82 \times 0.6 = 13.692 \\ (21 - x) \times 6 = 13.692 - 3 = 10.692 \\ 21 - x = 10.692 \div 6 \\ 21 - x = 1.782 \\ - x = 1.782 - 21 \\ - x = - 19.218 \\ x = 19.218$

Answer 2

Răspuns:

Explicație pas cu pas:

Buna seara!

(21-x)•6+3:0,6=22,82⇒

126-6x+30:6=22,82⇒

126-6x+5=22,82⇒

131-6x=22,82⇒

131-22,82=6x⇒

108,18=6x⇒

x=108,18:6⇒

x=18,03

Succes!