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17.12.2020 •
Mathematics
5( m + 3 ) + 7m = 3( m - 10) solve for m
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Ответ:
m = - 5
Step-by-step explanation:
5( m + 3 ) + 7m = 3( m - 10)
step 1: distribute
5m+15+7m=3m-30
step 2: combine like terms
12m+15=3m-30
step 3: get m by itself
12m+45=3m
-12m -12m
45= -9m
-5=m
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