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soldi70 [24.7K]
3 years ago
14

Two men are decorating a room. One has painted 20 m² and the

Mathematics
1 answer:
laila [671]3 years ago
8 0

Answer:

  • 1 m²

Step-by-step explanation:

<u>The first man painted:</u>

  • x + 20

<u>The second man painted:</u>

  • x + 6

<u>If the first man painted 3 times more, then:</u>

  • x + 20 = 3(x + 6)
  • x + 20 = 3x + 18
  • 3x - x = 20 - 18
  • 2x = 2
  • x = 1

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Which expression is equivalent to 19/39?
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4 years ago
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3 − m = −2 (m + 6); m = −15 Yes or No
Nimfa-mama [501]

Answer:

3 − m = −2 (m + 6); m = −15    Yes

5 (p + 3) = −35; p = −4            No

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