Question

900+2-ax100=302 ajutor va rog,am scris gresit prima data

Answer 1

100a=902-302
a=600:100
a=6

Answer 2

$900 + 2 - a \times 100 = 302 \\ a \times 100 = 902 - 302 \\ a \times 100 = 600 \\ a = 600 \div 100 \\ a = 6$