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Solve for b, then find the value of b when a = 3

 

4a = 2b - 7

 Dec 22, 2017
 #3
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CPhill : Just a slight error in obtaining b:

b = 2 a + 7/2,  where a = 3

b =2*3 + 7/2

b =6 + 7/2

b=[12 + 7] / 2

b = 19/2

 Dec 22, 2017
 #4
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yea i got the same answer but if u want the answer as a whole then either the value of a is wrong or u wrote the wrong equation

 Dec 22, 2017

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