# algebra

posted by .

20+2x/5-x For what value of x is the rational expression below equal to zero?

• algebra -

(20+2x)/(5-x) = 2
20+2x = 2(5-x)
20+2x = 10 - 2x
4x = -10
x = -5/2

• algebra -

n the following expression, n is a rational number:

Which expression below is equivalent to this expression?
A.
B.
C.
D.

## Similar Questions

1. ### algebra

here is a rational expression, 20+2x/5-x for what value of x is the rational expression equal to zero?
2. ### Algebra

Rewrite the rational expression as an equivalent rational expression with the given denominator. (Both are fractions) It's 21 over x squared minus 6x is equal to 1 over x (x-6)(x+5) -21 = 1 x2 -6x x(x-6)(x+5)
3. ### ALGEBRA

What happens if you are checking a solution for the rational expression and find that it makes one of the denominators in the expression equal to zero?
4. ### Algebra

After solving a rational equation, why is it important to check your answer?
5. ### algebra

after solving a rational equation, why is it important to check your answer?
6. ### algebra 1

What happens if you are checking a solution for the rational expression and find that it makes one of the denominators in the expression equal to zero?
7. ### algebra 2

what is the value of the rational expression below when x is equal to three?
8. ### algebra

For what value of x is the rational expression below equal to zero?
9. ### math

What is the value of the rational expression below when x is equal to 4?
10. ### algebra

for what value of x is the rational expression below equal to zero?

More Similar Questions