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anonymous

  • one year ago

Consider the following pair of equations: y = −2x + 8 y = x − 1 Explain how you will solve the pair of equations by substitution. Show all the steps and write the solution in (x, y) form.

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  1. lucaz
    • one year ago
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    substitute first y into the second equation -2x+8=x-1 and solve for x then take the value of x and subtitute into the first equation y=-2(x)+8

  2. anonymous
    • one year ago
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    Well, thank you so much. I really appreciate it!

  3. anonymous
    • one year ago
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    -2x+8=x-1 -2x-x = -1-8 -3x =-9 x = -9/-3 x = 3

  4. anonymous
    • one year ago
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    y = x − 1 y = 3 - 1 y = 2

  5. anonymous
    • one year ago
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    so (3,2)

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