Question

20:2xa=90 repede va rog

Answer 1

Răspuns:

20:2x=90

x=9

20:2×9=90

Answer 2

Răspuns:

$20 \div 2 \times a = 90 \\ 10a = 90 \\ a = 90 \div 10 \\ \bf\red{\underline{a = 9}}$