Web — how do you write the expression for: The sum of twice a number and half the number is 10? Algebra expressions, equations, and functions variable. Webthe expression (1/2)[x+10] represents the one half of the sum of a number and 10. It is defined as the combination of constants and variables with. Web — you know that you're dealing with. A sum → this means that you are adding something, so you're going to use the + sign; Of a number → this means that you're. The sum of a number and 10 is x+10. Half of the sum is (x+10)/2. Webhow do you define a variable and write an expression for each phrase: Let the number be x x x. Write the equation based on the given information: 2x + \frac {x} {2} = 10 2x+2x=10. 2x + \frac {x} {2} = \frac {4x + x} {2} =. Sum = 256. 25. Get a widget for this calculator. A sum is the result of adding together a set of numbers. A sum is the total amount. Web — just convert the sentence into an equation like so: Let n represent a number. Add these things together. See the entire explanation below: First, let's call a number n. The sum means to add or + therefore, the sum of a number and 10 can be written. Web — we can represent a number in general by #x#. Halving a number means dividing it by two, so the expression that shows the half of a number is #x/2#, since you. Weblet's call the number we're trying to find x. According to the problem, the sum of twice the number (2x) and half the number (0. 5x) is 10. So we can write an equation: 2x + 0. 5x =. Web — 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. Given the sum of twice a number and half the number is 10. Let the number be x. X/2 + 2x = 10. X + 4x /2 = 10. Therefore, the required number is 4. Web — to solve the equation “the sum of twice a number and half the number is 10,” we can translate this statement into a mathematical expression. Let’s assume that the. Web — sum says we're adding things together: __ + __ and it equals 10: __ + __ = 10. We have an unknown number (let's call it x) as what we're adding, and we have. Web — learn to translate many common phrases into mathematical expressions. For example, 'the sum of a number and 3' is x + 3; 'the square of 3 times a number' is. Webdetailed step by step solution for the sum of twice a number and half the number is 10