Simplify 7a+2a 8x+10x and 5c-6c+8c-9c

asked Mar 5, 2020 166k views

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3 votes

Answer:

9a, 18x, and -2c

Explanation:

7+2=9 (keep the variable=a)

8+10=18 (keep the variable=x)

5-6=-1 +8= 7-9=-2 (keep the variable=c)

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