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how do you simplify this -9+4(m-7)-6+2m+9m and -4(n-7)-4(-8n+6)

2007-12-10 06:58:37 · 12 answers · asked by Anjelica(: 3 in Education & Reference Homework Help

12 answers

Instead of just telling you what the answer is, I thought I might try to explain it so that you can learn it better.

first you have to multiply through the 4s.
-9+4m-28-6+2m+9m
Then add all like terms.
-9-28-6=-43
4m+2m+9m=15m
answer: 15m-43 or -43+15m

-4n +28 (negative times a negative is always a positive) -(-32n) - 24
in the latter part of this problem the 4 is not negative, so don't make it one.
-4n +32n=28n (negative minus a negative is a positive)
28-24=4
answer: 28n+4 or 4+28n

2007-12-10 07:08:17 · answer #1 · answered by roadrunnerjim 6 · 1 1

-9+4(m-7)-6+2m+9m

-4(n-7)-4(-8n+6)

-9+4m-28-6+11m= 15m-43

-4n+28+32n-24= 28n +4

2007-12-10 07:51:28 · answer #2 · answered by Dave aka Spider Monkey 7 · 0 0

-9+4(m-7)-6+2m+9m
First, distribute the numbers.
-9+4m-28-6+2m+9m
Then, combine terms
15m-43


-4(n-7)-4(-8n+6)
First, distribute the numbers.
-4n+28+32n-24
Then, combine terms
28n+4

Hope this helps!

2007-12-10 07:07:44 · answer #3 · answered by Anonymous · 0 0

-9 + 4m - 28 -6 2m +9m
Which equals 15m-43

-4n + 28 +32n -24
Which equals 28n + 4

2007-12-10 07:12:13 · answer #4 · answered by Marcus T 1 · 0 0

The first one is: 6m+29
-9+4= -5
-5(m-7)=-5m+35

-5m+2m+9m=6m
+35-6=29
Thus, 6m+29

2007-12-10 07:07:29 · answer #5 · answered by bodavisP 2 · 0 2

-9+4(m-7)-6+2m+9m
-9+4m-28-6+2m+9m
-43+15m

-4(n-7)-4(-8n+6)
-4n+28+32n-24
28n+4

2007-12-10 07:06:15 · answer #6 · answered by B. B. 2 · 1 0

you may not remedy them considering that they do no longer seem to be equations, yet you may simiply them. All you ought to comprehend is to do the parenthesis first and then the brackets. finally combine like words. 4(e+5)-(e+9)+(e+7) 4e+20-e-9+e+7 4e+18 6[n+(n-d)]-3[n-(n-d)] 6[2n-d]-3[d] 12n-6d-3-d 12n-9d 5(w²-6)-8[9-(w²+6)] 5w²-30-8[9-w²-6] 5w²-30-seventy two+8w²+40 8 13w²-fifty 4 4{z-6(r-5)+8[z-2r+3(r-a million)]} 4{z-6r+30+8[z-2r+3r-3]} 4{z-6r+30+8z-16r+24r-24} 4{9z+2r+6} 36z+8r+24

2016-11-15 04:21:24 · answer #7 · answered by ? 4 · 0 0

15m-43 and 28n+4

2007-12-10 07:03:51 · answer #8 · answered by incredibleflyingdinosaur...rawrr 2 · 0 1

Go with B.B. and all those who came up with the same answer. They're correct.

2007-12-10 07:46:44 · answer #9 · answered by jeffery p 1 · 0 0

Please Excuse My Dear Aunt Sally
Do the problem in this order
Parenthesis,Exponents? (I'm not sure about this step),Multiply, Division, Addition, Subtraction

2007-12-10 07:04:55 · answer #10 · answered by Kristina J 1 · 0 0

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