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anonymous

  • one year ago

An unknown number y is 12 more than an unknown number x. The number y is also x less than 17. The equations to find x and y are shown below. y = x + 12 y = −x + 17 Which of the following statements is a correct step to find x and y? Multiply the equations to eliminate y. Write the points where the graphs of the equations intersect the x-axis. Write the points where the graphs of the equations intersect the y-axis. Add the equations to eliminate x.

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  1. anonymous
    • one year ago
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    @aloud

  2. anonymous
    • one year ago
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    @badmood

  3. badmood
    • one year ago
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    Add the equations to eliminate x.

  4. anonymous
    • one year ago
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    u sure ?

  5. badmood
    • one year ago
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    y = 29/2

  6. anonymous
    • one year ago
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    true true

  7. badmood
    • one year ago
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    If you add those equations, you get: y+y=x+12−x+17

  8. anonymous
    • one year ago
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    can u help me wit like 3 more ?

  9. badmood
    • one year ago
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    sure

  10. anonymous
    • one year ago
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    Shiloh is 7 years older than Courtney. Shiloh's age is 13 years less than two times Courtney's age. The system below models the relationship between Shiloh's age (s) and Courtney's age (c): s = c + 7 s = 2c − 13 Which of the following methods is correct to find Shiloh's and Courtney's age? Solve s + 7 = 2s − 13 to find the value of s. Solve c + 7 = 2c − 13 to find the value of c. Write the points where the graphs of the equations intersect the x-axis. Write the points where the graphs of the equations intersect the y-axis.

  11. badmood
    • one year ago
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    I would say s = 2c − 13

  12. anonymous
    • one year ago
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    but which of the following methods is correct to find Shiloh's and Courtney's age?

  13. badmood
    • one year ago
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    Solve c + 7 = 2c − 13 to find the value of c.

  14. anonymous
    • one year ago
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    Variable a is 4 more than variable b. Variable a is also 1 less than b. Which of the following pairs of equations best models the relationship between a and b? a = b + 4 a = b − 1 a = 4b a = b + 1 b = a + 4 b = a − 1 b = 4a b = a + 1

  15. anonymous
    • one year ago
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    there in sets of 2 so theres four answers

  16. anonymous
    • one year ago
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    u still there ?

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