168k views
20 votes
What is -7m-5(m+5)=-85

2 Answers

14 votes

Answer:

m=5

Explanation:

−7m−5(m+5)=−85

−7m+(−5)(m)+(−5)(5)=−85

−7m+−5m+−25=−85

combine the like terms: (−7m+−5m)+(−25)=−85

−12m+−25=−85

add 25 to both sides : −12m−25+25=−85+25

divide both sides by -12

−12m /−12 =

−60 /−12

m=5

User Mikel
by
3.6k points
12 votes

Answer:

m= 5

Explanation:

-7m-5(m+5)= -85

-7m-5m-25= -85

-12m-25= -85

-12m= -60

/-12 /-12

m= 5

User Steven Banks
by
3.4k points