# SOLUTION: I need to figure out the numerical value of variables a,b,and c. 3a-5b+5c=21

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 Question 315235: I need to figure out the numerical value of variables a,b,and c. 3a-5b+5c=21Answer by Fombitz(13828)   (Show Source): You can put this solution on YOUR website!You can get a value of each variable in terms of the constants and other variables. As an example, From what you write, I'm assuming that's not what you're looking for. To get a numerical value for 3 variables, you need 3 independent equations that describe the relationships between the three variables.