Answer yes
Step-by-step explanation:
ANSWER

EXPLANATION
The given equation is:

Group similar terms to obtain:

Simplify similar terms,

Divide both sides by -2.5


Answer:
(3, -7)
Step-by-step explanation:

If I understood the question correctly, the answer would be 400
Answer:
yes
Step-by-step explanation:
the variable cannot have a negative symbol, unless it has no number.