Question

Use the functions to find x

Answer 1

x = 14

Explanation:

`f(x) = 10 - (9)/(2) x \\ \\ plug \: f(x) = - 53 \\ \\ - 53 = 10 - (9)/(2) x \\ \\ (9)/(2) x = 10 + 53 \\ \\ (9)/(2) x = 63 \\ \\ x = 63 * (2)/(9) \\ \\ x = 7 * 2 \\ \\ x = 14`