Answer:
x=3
Step-by-step explanation:
plug F(2) for x
2(2)^2-5
2^2=4
2(4)-5=x
8-5=3
Answer:
Step-by-step explanation:
47+34=9k
81=9k
k=81/9=9
k=9
Answer:
log(4) +3 log(x) +7 log(y)
Step-by-step explanation:
Hope it helps!
7*y - 5*(4-2y) = 7y - 20 +10y = 17y-20 = 31,
y =3, x = -2.
Weird 20 min without answer!