How do you find the solution set for $3b-4=8$ if the replacement set is ${1, 2, 3, 4, 5}$ ?

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Answer 1 · 2017-10-07T05:20:20

$b=4$

$3b-4=8$
You need to add 4 for the both sides of equation
$3b-4=8 |+4$
$3b=12$
Then you need to divide both sides of equation by 3
$3b=12 |÷3$
$b=4$

How do you find the solution set for 3b-4=83b-4=8 if the replacement set is {1, 2, 3, 4, 5}{1, 2, 3, 4, 5}?