How many true conditional statements may be written using the following statements? n is a rational number. n is an integer. n is a whole number. a. 2 conditional statements c. 4 conditional statements b. 3 conditional statements d. 5 conditional statements

The value of x in this system of equations is 1. 3x + y = 9 y = –4x + 10 substitute the value of y in the first equation: combine like terms: apply the subtraction property of equality: apply the division property of equality: 3x + (–4x + 10) = 9 –x + 10 = 9 –x = –1 x = 1 what is the value of y?