SOLUTION: 4.2x + 6.4 = 40 thank you very mucho

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Question 10678: 4.2x + 6.4 = 40 thank you very mucho
Answer by fractalier(6550) About Me  (Show Source):
You can put this solution on YOUR website!
4.2x + 6.4 = 40
4.2x = 33.6
x = 8