Distribute the 2
2x-8=8
Add 8 to both sides
2x=16
divide by two
x=8
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The correct answer would be 20
1. observe problem
The Full price is:
The Subtotal + the Subtotal*tax
so,
34.50+34.50*0.06=
36.57
The Full price plus tip is
Full price + Full price * tip percentage
so,
36.57+36.57*0.15
Which is
$42.0555
Rounded to is
$42.06
