For N it is 2 since you multiply 4 times 2= 8, 2 times 2=4
8-4=4
the answer is C. 7 because 328 divided by 50 is 6.56 so it would round to 7
4a + 6b = 10
2a - 4b = 12...multiply by -2
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4a + 6b = 10
-4a + 8b = - 24 (result of multiplying by -2)
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14b = - 14
b = -14/14
b = -1
2a - 4b = 12
2a - 4(-1) = 12
2a + 4 = 12
2a = 12 - 4
2a = 8
a = 8/2
a = 4
so 12a = 12(4) = 48 <==
(-3/4m) -(1/2)=2+(1/4m)
-(1/2)=2+m
m= -3/2
A) I believe but you might not want to go with it cause I'm not good at math AT ALL:)
