X would equal 9. Subtract 18 from both sides then divide by two to get 9 as X
X= 103
180 - 65 = 115
X + 12 = 115
X = 115 - 12 = 103
Answer:

Step-by-step explanation:
d = 
d = 
d = 
easy
5% is .05 two decimals to the left
55 x .05 = 2.75
$2.75 is your sales tax
55+2.75=$57.75
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