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MrRissso [65]
3 years ago
15

I don’t understand help

Mathematics
1 answer:
Yuliya22 [10]3 years ago
4 0

Answer:

a)-4x+7=9×3

-4x=27-7

x=-20/4

x=-5

b)49r-55r=-52+10

-6r=-42

r=-42/6

r=7

c)-6m+8m-2m=-1-5+6

2m-2m=0

0=0

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7 0
3 years ago
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3 0
3 years ago
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elixir [45]
Hi. I hope this helps!

I believe the answer is 330.26 left.

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I hope this helps! Have a great day!
4 0
4 years ago
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8 0
3 years ago
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