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3 years ago

PLS HELP DUE TODAY i will give brailest if you show all work please help

Mathematics

2 answers:

Fittoniya [83]3 years ago

8 0

Answer:

15) 3(4+r)=-18

3x4+3xr

12+3r= -18

-12 -12

3r= -30

/3 /3

r= -10

Step-by-step explanation:

distribute the 3 to the 4 and the r you should then have 12+3r=-18 and so subtract from both sides 12 and you should have 3r=-30 divide both sides by 3 and you get your answer r=-10

ivanzaharov [21]3 years ago

5 0

Answer:

(7) n=9

8) x=8

9) m=-7

10) b= -6

11) r=6

12)b=10

13)v=8

14)k=-8

15)r=-10

16)p=20

17)v=10

18)x=21

19)a=28

20)b=10

Step-by-step explanation:

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