Question

(2000000×9÷100×x÷12)-50000=100000

Answer 1

$2000000 \times 9 \div 100 \times x \div 12 = 100000 + 50000$
$20000 \times 9 \times x \div 12 = 50000$
$x = 50000 \times 12 \div 20000 \times 9 \\ = 5 \times 12 \div 2 \times 9 \\ = 60 \div 18 = 3.2$