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Mathematics
, 19.01.2020 04:31
reesewaggoner8
The value of m in the following system of equations is:
m-2n=8
n=m-2
a) m= -4
b) m= -6
c) m= 2
d) none of the choices are correct
Answers: 1
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Answer from:
hermesrobles
N=m-2
m-2n=8, using n from above in this equation yields:
m-2(m-2)=8 perform indicated multiplication
m-2m+4=8 combine like terms on left side
-m+4=8 subtract 4 from both sides
-m=4 divide both sides by -1
m=-4
So the correct answer is A) m=-4
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You know the right answer?
The value of m in the following system of equations is:
m-2n=8
n=m-2
a) m= -4
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