0
I think the question is "What is an expression for 21 if x=9"
If so, the answer would be 2x + 3 = 21
Wiki User
∙ 8y ago
Wiki User
∙ 8y agoThere are infinitely many possibilities:x + 12
2x + 3
x^2 - 60
are three examples.
Add your answer:
Earn +20 pts
What is the expression which connects y and x when y is inversely proportional to x and x equals 9 y equals 7. and what is the value of y when x equals 21?
x*y = k where k is a constant.When x = 9, y = 7 so k = 9*7 = 63 When x = 21, 21*y = 63 so y = 3.
What is the solution to x - 9?
x - 9 is an expression, neither an equation not an inequality. An expression cannot have a solution.
Which expression represents the quotient of 9 and x?
9/x
What Is 9 plus x equals 21 for x equals 11?
x ≠11 9 + x = 21 9 + x - 9 = 21 - 9 x = 12
How do you write a algebraic expression of x plus 9?
X+9
What expression is x less than 9?
As an algebraic expression it is: 9-x
Equivalent expression Answer 10x 11x?
21
What is the expression which connects y and x when y is inversely proportional to x and x equals 9 y equals 7. and what is the value of y when x equals 21?
x*y = k where k is a constant.When x = 9, y = 7 so k = 9*7 = 63 When x = 21, 21*y = 63 so y = 3.
What is the answer for x - 2y - 9?
-7
Is x 9 an expression or equation?
Expression.
What is the answer to -12 equals x plus 9?
-12 = x+9 x+9 -9 = -12 -9 x = -21
GCF of the expression (9 plus 21)?
The GCF of 9 and 21 is 3.
What is the solution to x - 9?
x - 9 is an expression, neither an equation not an inequality. An expression cannot have a solution.
Which expression represents the quotient of 9 and x?
9/x
What Is 9 plus x equals 21 for x equals 11?
x ≠11 9 + x = 21 9 + x - 9 = 21 - 9 x = 12
How do you write a algebraic expression of x plus 9?
X+9
Write the phrase as a variable expression the product of 9 and a number?
The expression is 9*x.
