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determine the sum of the following 1.2x+3x+(-7x)
2.4a+3a+(-2a)+(-5a
3.m+7m+(-3m)+10m
4.(-8xy)+10xy+12xy
5.3qrs+4qrs+(-qrs) ​


Sagot :

1. -x

2. 0

3. 15m

4. 14xy

5. 6qrs

apologies po if wrong