SOLUTION: (2M-6)-(3m-4)= -(-4+M)-4M+6
i started the problem but I'm stuck i got to (2M-6)-(3M-4)=4-3M+6
i don't know how to get rid of the rest of the parenthesises
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Question 98426: (2M-6)-(3m-4)= -(-4+M)-4M+6
i started the problem but I'm stuck i got to (2M-6)-(3M-4)=4-3M+6
i don't know how to get rid of the rest of the parenthesises
Found 2 solutions by jim_thompson5910, edjones:
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
Start with the given equation
Distribute the negative
Combine like terms on the left side
Combine like terms on the right side
Add 2 to both sides
Add 5m to both sides
Combine like terms on the left side
Combine like terms on the right side
Divide both sides by 4 to isolate m
Divide
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Answer:
So our answer is
Answer by edjones(8007) (Show Source): You can put this solution on YOUR website!
the 2m-6 you just take out.
the -(-4+m) is the same as -1*(-4+m). you change all the signs inside the parentheses and get rid of the minus sign outside it like this: +4-m.
2m-6-3m+4=+4-m-4m+6
-m-2=-5m+10
add 5m and 2 to each side. 4m=12
divide 4 into each side. m=3
Check: (ALWAYS check)
(2*3)-6-((3*3)-4)=-(-4+3)-(4*3)+6
6-6-(9-4)=-(-1)-12+6
-9+4=1-6
-5=-5
Ed
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