Which properties justify the steps taken to solve the system?
2 answers:
Answer and Step-by-step explanation:
Since we have given that
We need to mention the properties for the given steps:
1) Multiplication property of equality
2) Addition property of equality
3) Division property of equality
4) Substitution property of equality
2x+12=18
5) Simplify
2x=6
6) Subtraction property of equality
x=3
7) Division property of equality
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Answer:
<em>D.) It has a common difference of 3.8</em>
Step-by-step explanation:
When you subtract you get a common difference, the same goes for the other values: when you subtract the previous term from the next, you get a common difference of positive 3.8