SOLUTION: I don't have a clue or where to begin solving 5a - 2b - 3c = 10 5b - 2c = -4 c = 3 Please help

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Question 556268: I don't have a clue or where to begin solving
5a - 2b - 3c = 10
5b - 2c = -4
c = 3
Please help
Answer by scott8148(6628) About Me  (Show Source):
You can put this solution on YOUR website!
substituting the value of c ___ 5b - 2(3) = -4 ___ 5b = 2 ___ b = .4

substituting the values of c and b ___ 5a - 2(.4) - 3(3) = 10 ___ 5a = 19.8 ___ a = 3.96