The sum of twice a number and half the number is 10?

To solve this problem, we need to make an equation and then solve. We can start to do this by figuring out what the question is asking us. Let's say that our number that we don't yet know the value of is x. That means that twice that number would be 2 times that number or 2x. Half that number would 1/2 times x or 1/2x. Now we need to figure out what the sum of 2x and 1/2x means. The sum of means add, so that means 2x + 0.5x = 2.5x. The rest of the question says that this quantity is equal to ten. That means that:

2.5x = 10

Dividing each side by 2.5 gives us our answer of:

x = 4

true

step-by-step explanation:

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