Answer:
21
Step-by-step explanation:
Subtract 7 from both sides to get the answer.
Answer:
5 + 
Step-by-step explanation:
Given a ±
, then the conjugate is
a ∓ 
Given
5 -
, then the conjugate is 5 + 
Answer:-2
explanation:
substitute - 4 into q(x)

Add three on both sides

Multiply both sides by...

