Question

Solve for x.

2x-1= 31
x = [?]
Give your rounded answer to four decimal places.
Enter (solve with logs!)

Answer 1

16

Explanation:

Answer 2

x = 16

Explanation:

2x-1= 31

2x= 31 + 1 Add 1 to both sides

2x= 32

x= 16 Divide both sides by 2

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Check to see if 16 works:

Does 2*(16)-1= 31 ?

32 - 1 = 31 ?

YES