Given:


To find:
The sum of m and n.
Solution:
We have,


The sum of m and n is:

Combining the like terms, we get



Therefore, the sum of m and n is
.
Answer:
2
Step-by-step explanation:
somebody has to answer eventually lol
Answer:
need points
Step-by-step explanation:
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Answer:
x=9
Reverse. 14-5=9, so x must be 9.
Answer:
y= -2x-22.
Step-by-step explanation:
1) the slope-interception common form is y=s*x+i, where 's' and 'i' are the slope and interception, unknown numbers;
2) if x₁= -3; y₁= -16, and s=-2, then the equation of the required line can be written in the point-interception form y-y₁=s(x-x₁); ⇔ y+16= -2(x+3);
3) the required equation in slope-interception form is:
y+16= -2x-6; ⇒ y= -2x-22.
note, the provided solution is not the only and shortest way.