SOLUTION: 10% of x is commplement of 40% of 2x find x

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Question 470859: 10% of x is commplement of 40% of 2x find x
Answer by amoresroy(361) About Me  (Show Source):
You can put this solution on YOUR website!
10% of x is commplement of 40% of 2x find x
Equation:
0.1x = 90 - 0.4(2x)
0.1x = 90 - 0.8x
0.9x = 90
x = 100