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algebra2sucks

  • 3 years ago

Solve the system by graphing. -5x - y = -11 2x - y = 10

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  1. mark_o.
    • 3 years ago
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    do you have the answer choices?

  2. algebra2sucks
    • 3 years ago
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    @mark_o.

  3. mark_o.
    • 3 years ago
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    -5x - y = -11 ------> mult by -1 to get 5x+y+11 2x - y = 10 2x - y = 10 add --------------- 7x +0 =21 is x= 3 ? if it is solve now for y 2x - y = 10 sub x=3 2(3)-y=10 is y= -4 ?.... if yes is the answer would be like (x,y)=(3,-4) ?........

  4. mark_o.
    • 3 years ago
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    @ algebra2sucks ...:D

  5. algebra2sucks
    • 3 years ago
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    thank yooou :)

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