Multiply -7 to both sides:
Add 10 to both sides:
Divide 2 to both sides:
14, 10, 2, 5, 8, 12, 12, 3, 2, 2, 13, 15, 6 Find the median
1 answer:
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Multiply -7 to both sides:
Add 10 to both sides:
Divide 2 to both sides:
Answer:
heres an example of substitution in a world problem. hope this helps on some other problens
