Asked by Jimmy
The sum of three times a number and 2 less than 4 times that same number is 15. Which of the following equations could be used to find the value of the number , n?
1. 3n + 4n-2=15
2. 3n t 4(n-2)=15
3. 4n +3(n-2)=15
4. 3n - 4(n-2) = 15
I pick 3.
1. 3n + 4n-2=15
2. 3n t 4(n-2)=15
3. 4n +3(n-2)=15
4. 3n - 4(n-2) = 15
I pick 3.
Answers
Answered by
bobpursley
Nope.
Answered by
Reiny
The sum of three times a number and 2 less than 4 times that same number is 15
The sum of ... +
three times a number .... 3x
2 less than 4 times that same number--- 4x - 2
is ---- = 15
so 3x + 4x - 2 = 15
none of your choices match that
solving:
7x = 17
x = 17/7
check:
3 times the number = 51/7
2 less than 4 times the number = 4(17/7) - 2 = 54/7
their sum = 51/7 + 54/7 = 98/7 = 15
as required
My answer is correct but not obtainable with any of the given choices.
The sum of ... +
three times a number .... 3x
2 less than 4 times that same number--- 4x - 2
is ---- = 15
so 3x + 4x - 2 = 15
none of your choices match that
solving:
7x = 17
x = 17/7
check:
3 times the number = 51/7
2 less than 4 times the number = 4(17/7) - 2 = 54/7
their sum = 51/7 + 54/7 = 98/7 = 15
as required
My answer is correct but not obtainable with any of the given choices.
Answered by
william
what is this form called
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