Answer:
x = 13.00
Explanation:
Subtract 6 in both sides
72.94 - 6 = 66.94
Simplify
5.15x = 66.94
Divide 5.15 in both sides
5.15x/5.15 = x
66.94/5.15 = 12.99
x = 12.99
Round
12.99 -> 13.00
Answer
A x = 13.00
5.15x + 6 = 72.94
x = 12.998
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