Answer:
x squared plus two times x minus one = zero.
Step-by-step explanation:
(This is a Quadratic equation in the variable x).
Answer:
If you had 5 apples and Johnny gave you five more how much do you have? Lets count
10 OMG 5+5 is 10
Answer:
I think it may be 5m + 16 < 75
Step-by-step explanation:
I don't know if its wrong
Answer:
13
Step-by-step explanation:
8/2=16/4
=4
x-3=2.5*4
x=10+3
x=13
Answer:
c) 3x - 45 = 10
Step-by-step explanation:

Cross multiply,
3*(x - 15) = 2*5
3*x - 3*15 = 10
3x - 45 = 10