Respuesta :
Answer:
Step-by-step explanation:
x = 7
Symbolically, this equation is:
x 7
----- = -----
90 9
Cross multiplying yields 9x = 9(7), and so x must be 7.
Answer:
Step-by-step explanation:
x = 7
Symbolically, this equation is:
x 7
----- = -----
90 9
Cross multiplying yields 9x = 9(7), and so x must be 7.