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Pre-Algebra [repost ]

posted by on .

I need help on these three questions BEFORE 10:00 PM. Please someone show me how to do them step by step!

Solve the equation for y in terms of x
then find the solutions of the equation for the given values of x.

1.x + y = -1 [values of x: 3, 1, -2]

2.x+ 4y = 20 [values of x: 4, -8, 0]

3.-x - 2y= 8 [values of x: -6, -2, 10]

Thanks a MILLION!!
-MC

  • Pre-Algebra [repost ] - ,

    i don't know if i did this correct but this is whut i got for number 1

    x + y = -1 [values of x: 3, 1, -2]
    3+y= -1

    for the value of 3 y=-4
    value of 1 y=-2
    value of -2 y=1

  • Pre-Algebra [repost ] - ,

    Thanks Sarah
    -MC

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