Aflati al 2013 lea termen al unei progresii aritmetice cu termenul al treilea egal cu 12 si diferenta a doi termeni consecutivi,
1 answer:
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Simple,
so you have...
-5m=-35
You are trying to find m, so, to isolate the variable divide both sides by -5:
m=7
Now, to check your work, plug in m.
-5(7)=-35
-35=-35
Thus, you know your answer is correct.
so you have...
-5m=-35
You are trying to find m, so, to isolate the variable divide both sides by -5:
m=7
Now, to check your work, plug in m.
-5(7)=-35
-35=-35
Thus, you know your answer is correct.