Answer
$a = \frac{3}{2}$
Work Step by Step
$7(a+1)-3a=5+4(2a-1)$
We begin by distributing:
$7a+7-3a=5+8a-4$
Then we combine like terms :
$4a+7=8a+1$
$6 = 4a$
Finally, we isolate a:
$6 = 4a$
$ \frac{3}{2} = a$
$a = \frac{3}{2}$
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