katiepie725
katiepie725
20-01-2016
Mathematics
contestada
if -4m+20=50, then what is M equal to?
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apologiabiology
apologiabiology
20-01-2016
-4m+20=50
add 4m to both sides because I dislike negatives
20=50+4m
subtract 50 from both sides
-30=4m
divide both sides by 4
-30/4=m
-15/2=m
-7 and 1/2=m
Answer Link
Аноним
Аноним
20-01-2016
-4m + 20 = 50
-20 -20
50 - 20 = 30
-4m = 30
-4m/-4 = 30/-4
m = -7.5
Answer Link
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