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Doss [256]
3 years ago
6

Please need help asap

Mathematics
1 answer:
olya-2409 [2.1K]3 years ago
6 0

x+11+3x+19=90

4x+30=90

4x=60

x=15

15+11 = 26

15x3+19 = 64

Ans: B

Hope this helps

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shtirl [24]

Answer:

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If \: x + y + z = 0 \: then \: show \: that \: {x}^{3} + {y}^{3 } + {z}^{3} =3xy<br>​
tankabanditka [31]

Answer:

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x+y+z=0

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Step-by-step explanation:

Hope it is helpful.....

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