SOLUTION: if five is subtracted from twice a number and this difference is tripled, the result is one more than four times the number. find the number. Domain:{8, 9, 10}
I tried to set th
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Question 219152: if five is subtracted from twice a number and this difference is tripled, the result is one more than four times the number. find the number. Domain:{8, 9, 10}
I tried to set the problem up as: 2x-5+3(2x-5)=1+4x where the first number is 2x-5 and the 2ns number is 3(2x-5) what did I do wrong?
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
The equation should be . We're not looking for two numbers. We just want to find that one unknown value of 'x'.
Start with the given equation.
Distribute.
Add to both sides.
Subtract from both sides.
Combine like terms on the left side.
Combine like terms on the right side.
Divide both sides by to isolate .
Reduce.
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Answer:
So the solution is which means that the unknown number is 8.
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