I think

I think a number. When I multiply it by five, and after that I subtract 477, I get the same number as if I multiplied it twice. What number do I think?

Correct result:

x =  159

Solution:


5x - 477 = x•2

5•x - 477 = x•2

3x = 477

x = 159

Calculated by our simple equation calculator.



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