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Answer:
The first error in the bill is +8
because when two opposite signs of number are multiplied so the result is always negative.
so,
2 × -4 = -8
instead of 8 their should be -8.
hope this answer helps you dear...take care!
Answer:
Step-by-step explanation:
When , we have
.
Combining like terms on the right side, we have .
Finally, dividing by we get
.
We note that and
, so
.
So, and we're done!
