One.
-3
The number is 7.
4
6
Thirty decreased by three times a number is six less than three times the number. Find the number.
"The sum of a number and three times another number is 18. find the numbers if their product is a maximum?"
One.
-3
-3
-3
divide by 3 then times by 4
Is this exactly how the problem was written?
The number is 7.
4
3x= 5x-10 2x=10 x=5
Their sum is three times the middle number.