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Please Help, because I cannot remember if I am doing it right.

Please Help Because I Cannot Remember If I Am Doing It Right class=

Sagot :

Answer:

Step-by-step explanation:

0,5l + 1,5 (l + 7) = 0,5l

0,5l + 1,5l + 10.5 = 0,5l

1,5l = -10.5

l = -7

m = -7 -7

m = -14