The teacher will be very surprised to see your correct solution 😉
61 257 1349 -- + -x + --- = ---- 2 100 100
(61/2)-(x-(257/100)) = (1349/100)
61/2-x-257/100) = (1349/100)
61/2-x-257/100) = 1349/100
x = -979/50 / (-1)
sum
979 --- 50
=
979 --- 50
product
979 --- 50
=
979 --- 50
979/50