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Earn +20 ptsQ: Twice the sum of a number and four is eighteen?
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Continue Learning about Algebra
What is twice the sum of a number and 4?
If the sum of a number and 4 is (X + 4) then twice that is 2(X + 4) which is 2X + 8
Write an algebraic equation for the following The sum of twice a and four times y is equal to thirteen?
Write the following as an algebraic expression using x as the variable: The sum of a number and -8
Twice the sum of x and y and The sum of twice x and y?
Twice the sum of 'x' and 'y' . . . 2(x+y) The sum of twice 'x' and 'y' . . . (2x+y)
What is the additive inverse of eighteen?
The additive inverse of 18 is -18. The additive inverse of any number is the opposite of that number, such that the sum of the original number and the additive inverse is zero.
What number is twice the sum of its digits?
18. 1+8=9 9x2=18
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