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1 vote
-2x + 9x
What is the answer

User Yhenon
by
8.3k points

2 Answers

6 votes

Answer:
7x

Remove "x" and add

-2 + 9 = 7

Add "x" back

7 -----> 7x

Note: When adding/subtracting problems like these remove "x" and then add/subtract normaly. When you get your answer put x back.

User Sjw
by
8.7k points
4 votes

Answer: +7x

Step-by-step explanation: Since both terms contain an x, you can add them together by simply adding their coefficients. Coefficients are just your number in front of your variables. So if -2 + 9 = +7, -2x + 9x = +7x.

User Squiguy
by
8.4k points

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