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Ksenya-84 [330]
3 years ago
11

Can someone plz help me with #2, #3, #4, #14

Mathematics
1 answer:
Drupady [299]3 years ago
8 0
#2 is 5
#3 is 18.9
#4 is 14.1
#14 is yes it does
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Does -2(z+3)-z=-z-4(z+2) have one,zero or infinite solutions
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Hello from MrBillDoesMath!

Answer:

One solution (z = -1)

Discussion:

-2(z+3)-z=-z-4(z+2)        =>

-2z -6 -z = -z -4z - 8       =>

-3z -6 = -5z -8                =>  add 6 to both sides

-2z = -5z -2                     => add 5z to both sides

3z = -5z +5z -3               =>

3z = -3                            =>

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Thank you,

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