SOLUTION: "4 linear equations in one variable." problem: 0.08-0.03(21,000-x)=800

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Question 233571: "4 linear equations in one variable."
problem:
0.08-0.03(21,000-x)=800


Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
0.08-0.03(21,000-x)=800
8 - 3(21000-x) = 80000
8 - 63000 + 3x = 80000
3x = 142992
x = 47664