It is 2*(x+4)
"the sum of 2" and "twice" "a number" "is" "36"2+2x=36 â–
1 + 2n
You cannot write an algebraic expression for that, you need an equation. The equation is n - 6 = 4
2(n+7)
n = number 2(n + 15) ======
Write the following as an algebraic expression using x as the variable: The sum of a number and -8
"the sum of 2" and "twice" "a number" "is" "36"2+2x=36 â–
1 + 2n
You cannot write an algebraic expression for that, you need an equation. The equation is n - 6 = 4
2(n+7)
Equation, not expression. A and B are two numbers. (A + B)2 = A2 + B2 + 2(AB) ----------------------------------
n = number 2(n + 15) ======
2 + 2x = 36
The expression (not equation) is 6 + 7
This is an algebraic expression. It can be written as 3(2x + 4)
You want to create an equation for this. The equation should look like this: x^2 - 2x + 4 = 0 Use the quadratic equation to solve it.
If the number is n, then twice the number is 2n and the sum of the two is n + 2n = 3n.