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tester [92]
3 years ago
7

-2x + y = 4 y = x + 2 Third question^ solve the system of equations

Mathematics
1 answer:
Leya [2.2K]3 years ago
6 0

Answer:

x=-2 y=0

Step-by-step explanation:

put the second equation in to the first one

-2x+x+2=4

-x=2

x=-2

y=-2+2=0

x=-2 y=0

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Answer:

  • The 27th term is 22

Step-by-step explanation:

Let the first term is a and common difference is d.

<u>The nth term is:</u>

  • aₙ = a + (n - 1)d

<u>We have:</u>

  • a₆ = 15
  • a₉ = 16

<u>The difference of these terms is:</u>

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<u>The nth term equation is:</u>

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Mark's brother is five years or than mark. thier ages combinded adds up to 23. How old is mark
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