Answer: 20
Step-by-step explanation:
4/10 = 8/x
4x = 80
x = 20
Answer:
-9
Replace x with -7 in the expression:
x^2 + 5 / x + 1
-7^2 + 5 / -7 + 1
49 + 5 / -6
54/-6
simplify the fraction
9/-1 = -9
D. n>-7
12