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Otrada [13]
3 years ago
10

I can evaluate expressions of J=3 K=6 M=12 2j^2 -9

Mathematics
1 answer:
slega [8]3 years ago
7 0
2j²-9
2(3)²-9
2(9)-9
18-9
9


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How kany doulutions does this equation have 25 - 4x=15-3x+10-x
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Since it's a one-variable equation, it has only one solution:

25 - 4x = 15 - 3x + 10 - x

25 - 4x + x = 15 - 3x + 10

25 - 3x = 15 - 3x + 10

- 3x = 15 - 3x + 10 - 25

- 3x = 15 - 3x - 15

- 3x + 3x = 15 - 15

0 = 15 - 15

0 = 0




Hope it helped,



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