Answer:
C x +2y=8
Step-by-step explanation:
x+2y=8
x-x +2y = 8 -x
2y=8 -x
2y/2= 8/2 -x/2
y= 4 -1/2x
y= -1/2x =4 is the final answer
so it would be c
Answer:
x=-20
Step-by-step explanation:
x+9=-11
Subtract 9 from both sides. (-11-9=-20)
x=-20
Answer:
w² +9w +20
Step-by-step explanation:
Multiply it out, collect terms, and write as descending powers of w.
(5+w)(w+4) = 5w +5·4 +w² +w·4
= w² +9w +20
Answer: 1, 5, 2
All you do is subtract 3 from the y
Answer: It should be y=2x-2
Step-by-step explanation: