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Algebra 2/Math

posted by on .

Can you check these thanks.

Solve the system by substitution or elimination.

2x+y=1
3x-y=14
Answer: (3,5)

x-3y= -12
2x + 11y= -7
Answer: (39,17)

4x+2y=8
12x+6y=24
Answer: no solution

4x-2y=5
2x-y= -1
Answer: no solution

4a+3b =6
8a-b= -9
Answer: no solution

  • Algebra 2/Math - ,

    2x+y=1
    3x-y=14
    Answer: (3,5)
    ------------------------
    Hey, you can check easily. Just put the values in for x and y
    2(3)+5 = 8 not 1 - NO WAY

  • Algebra 2/Math - ,

    on the last

    4a+3b=6
    24a-3b=-27 ( I multiplied by 3), then add
    28a=-19

    why did you get no solution?

    others are correct.

  • Algebra 2/Math - ,

    First one should be (3,-5)

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