By substitution is how to solve
2x-3y=21
y=3-x
2x-3(3-x)=21
2x-9+3x=21
5x=30
x= 6
now substitute our x value into y=3-x
so we get
y=3-6 = -3
so x=6 and y=-3 hope this helps!!!!! Thank you!
Answer:
-8.8517
Step-by-step explanation:
We assume you want the log of 462 to a base of 1/2. Using the change of base formula, this is ...

Answer:
m= -13/28 should be the answer
Answer:
(x-6)(3x+2)
Step-by-step explanation:
Sorry for I do not know how to express my procedure as I use another method to factorize