. If you add 10 to half of a number, the result is thrice the number. What is that number?
Answers
Answered by
0
Step-by-step explanation:
The answer of this question is 3375
Answered by
0
Step-by-step explanation:
Let x be the unknown number.
2x + x/2 = 10 Given
2(2x) + 2(x/2) = 2(10) Multiply both side by 2
4x + x = 20 Multiplication
5x = 20 Combine like terms
(5x)/5 = (20)/5 Divide both sides by 5
x = 4
Check:
2x + x/2 = 10 Given
2(4) +(4)/2 = 10 ? Substitute 4 for x
8 + 2 = 10 ? Multiplication and Division
10 = 10 Addition
Answer: The number is 4 if the sum of twice the number and half the number is above
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