Question

13×a×3=78
Urgent dau coroana
va rog

Answer 1

$13 \times a = 78 \div 3 \\ 13 \times a = 26 \\ a = 26 \div 13 \\ a = 2$

Answer 2

13×a×3=78
78:3=26
26:13=2
a=2
13×2×3=78