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Damm [24]
3 years ago
14

How many solutions does this equation have? 20 − 15n + 11 = –20 − 18n

Mathematics
2 answers:
choli [55]3 years ago
8 0

Answer:

n=17

step by step

simplify both sides

than add 18n to both sides

than subtract 31 from both sides

than divide 3 by both sodes

forsale [732]3 years ago
3 0

Answer:

one solution

Step-by-step explanation:

20 - 15n + 11 = -20 - 18n

31 - 15n = -20 - 18n

Subtract 31 from both sides

- 15n = -20 - 31 - 18n

-15n = -51 - 18n

Add 18n to both sides

18n - 15n = -51

3n = -51

Divide both sides by 3

n = -51/3

n = -17

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4 years ago
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Bas_tet [7]

Answer:

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3 years ago
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photoshop1234 [79]

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9514 1404 393

Answer:

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3 years ago
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