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lilavasa [31]
3 years ago
14

-(m-8) = -8m+29 I dont understand how to do the left side

Mathematics
1 answer:
Temka [501]3 years ago
6 0

-(m-8)= -8m+29

-1(m-8)=-8m+29-------------Note: there is always an invisible 1 in front

-m+8=-8m+29---------------Subtract both sides by -8

-m=-8m+21-------------------Add both sides by +m

0=-7m+21---------------------Add +7m to both sides

7m=21 -------------------------Divide both sides by 7

m=3



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