Question

834-[(6×137-364:i):7+139]:3=751

Answer 1

834-[(6×137-364:i):7+139]:3=751

[(822-364:i):7+139]:3=834-751

[(822-364:i):7+139]:3=83

(822-364:i):7+139=83 x 3

(822-364:i):7+139=249

(822-364:i):7=249-139

(822-364:i):7=110

822-364:i=110 x 7

822-364:i=770

364:i=822-770

364:i=52

i=364:52

i=7