How do you write the expression for: the sum of twice a number and half the number is 10?

Question: How do you write the expression for: the sum of twice a number and half the number is 10?

Answer: 2 times a number plus half a number must equal 10, therefore let the number be a. So 2 times a plus half of a is equal to 10

2(a)+​ ​\(\displaystyle\frac{1}{2} \)​ (a)=10

so is equal

2a + ​\( \displaystyle\frac{a}{2} \)​ =10

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