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IrinaK [193]
4 years ago
15

3x + 7x = ? explain your answer

Mathematics
2 answers:
iogann1982 [59]4 years ago
8 0
I was just learning this! 
So basically since the variable is the same (x) all you want to do is add 3 with 7 to get 10, then add the x. So your answer would be
3x+7x = 10x
scoray [572]4 years ago
4 0
10x because since they both have an x you are able to add them together. hope this helped
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