Answer:
50
Step-by-step explanation:
7+7/7+7x7-7
7+1+7x7-7
7+1+49-7
8+49-7
57-7
7 + 7 ÷ 7 + 7 ⋅ 7 - 7
7 + 1 + 49 - 7
7 + 50 - 7
50 - 7 + 7
