10 целых 3/10-2x=8целых1/4

Question

10 целых 3/10-2x=8целых1/4

Answer 1

10 3/10-2x = 8 1/4
2x = 10 3/10-8 1/4
2x = 10 6/20-8 5/20
2x = 2 1/20
x = 1 1/40

Answer 2

10 3/10-2x=8 1/4
2X=10 3/10-8 1/4
2X=10 6/20-8 5/20
2X=2 1/20
x=41/20*1/2
x=1 1/40