Question

What is the value of the rational expression below when x is equal to 4?

Answer 1

x-12/x-8

Answer 2

@itsbribro

Answer 3

plug in 4 for x

Answer 4

4-12/4-8

Answer 5

\(\bf \cfrac{{\color{brown}{ x}}-12}{{\color{brown}{ x}}-8}\qquad {\color{brown}{ x}}=4\implies \cfrac{{\color{brown}{ 4}}-12}{{\color{brown}{ 4}}-8}\implies ?\)

Answer 6

simplify it

Answer 7

7

Answer 8

do the subtractions first, than divide.
4-12 = ?
4-8=?