Danny

Danny made a mistake in the following problem.
Line 1: 21 + 35 ÷ 7 + 6(2)

Line 2: 21 + 5 + 6(2)

Line 3: 21 + 11(2)

Line 4:21 + 22

Line 5: 43

On what line the mistake was made? Only input the number of the first incorrect line.

Correct answer:

x =  3

Step-by-step explanation:

x=3   Verifying Solution:   v=21+35/7+6 2=38



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