lilly4085
lilly4085
25-10-2018
Mathematics
contestada
3m - (7m+12) =2 (m-3)
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Аноним
Аноним
25-10-2018
remove parentheses
3m - 7m+12 = 2 m-3
collect like terms
3m-7m-12 = 2m-6
move terms
-4m - 12 = 2m-6
collect the like terms and calculate
-4m-2m = -6+12
divide both sides by -6
-6m=6
m= -1
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