The sum of 2 time a number and -7, added to 5 times the number
1 answer:
Answer:
7x - 7
Step-by-step explanation:
Variable: X = the unknown number
2x + (-7) + 5x
= 7x - 7
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Answer:
Social Security = 5600.09, Medicare = 1309.70
Step-by-step explanation:
Answer:
a^(-1/2) = 1/sqrt(a) = 3
so.
sqrt(a) = 1/3
a = 1/9
