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grin007 [14]
3 years ago
15

Combine like terms please help 19m+23n+m-3n

Mathematics
1 answer:
Lera25 [3.4K]3 years ago
7 0
19m+23n+m-3n=(19m+m)+(23n-3n)\\\\=\boxed{20m+20n}
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Find the value of x.<br> (x + 30)
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Answer:

x=55

Step-by-step explanation:

The exterior angles of a polygon add to 360.

x+x+x+x+x+x+30 = 360

Combine like terms

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6x+30-30 = 360-30

6x = 330

Divide by 6

6x/6 =330/6

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8 0
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5 0
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Sholpan [36]

Answer:

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Step-by-step explanation:

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Lera25 [3.4K]

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Step-by-step explanation:

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3 years ago
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