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Dmitry [639]
2 years ago
7

Hi guys i need help solving −2.4n−3 and −7.8n+2.

Mathematics
1 answer:
Airida [17]2 years ago
5 0

Answer:

-5 = -5.4n

Step-by-step explanation:

- 2.4n -3 = -7.8n+2

add 2.4 to both sides

which would give you

-3 = -5.4n + 2

then you would subtract -2 from both sides

and -5 = -5.4n  and this is one solution

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one third of the sum of two angles is 60 degree and one quarter of their difference is 28 degree. find the two angles
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1/3(a + b) = 60
a + b = 60 * 3 = 180

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---------------add
2a = 292
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b = 34

so ur 2 angles are : 146 and 34
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