Question

помогите решить 83-80÷ x=9×7

Answer 1

83-80:Х=63 80:Х=83-63 80:Х=20 Х=80:20 Х=4

Answer 2

83-80÷х=63
80÷х=83-63
80÷х=20
х=80÷20
х=4