Question

if 2a - 1 = 5 then a=

Answer 1

Answer:

a = 3

Step-by-step explanation:

$2a - 1 = 5 \\ 2a = 5 + 1 \\ 2a = 6 \: \: \: \: \: \: \: \: \\ a = \frac{6}{2} \: \: \: \: \\ a = 3 \: \: \: \: \:$

Answer 2

Answer:

see the attachment

Step-by-step explanation:

see the attachment