Simplify 12 (6) - 7 (2) + (6-3)
2 answers:
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Answer:
x = 1, y = -1
Step-by-step explanation:
If we have the two equations:
and
, we can look at which variable will be easiest to eliminate.
looks like it might be easy to get rid of, we just have to multiply
by 2 and y is gone (as -6y + 6y = 0).
So let's multiply the equation by 2.
Now we can add these equations
------------------------
Dividing both sides by 5, we get .
Now we can substitute x into an equation to find y.
Hope this helped!
Answer:
Step-by-step explanation:
The reciprocal of a number n is
Given 8 , change to an improper fraction
= =
, thus
reciprocal = =