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math

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Decide whether each equation has one solution, no solutions, or infinitely many solutions.

1. 2(x – 3) = 2x

one solution
no solutions
infinitely many solutions

2. 3(y – 3) = 2y – 9 + y

one solution
no solutions
infinitely many solutions

3. 10x – 2 – 6x = 3x – 2 + x

one solution
no solutions
infinitely many solutions

4. 4(x + 3) + 2x = x – 8

one solution
no solutions
infinitely many solutions

  • check my answers - ,

    1. b
    2. a
    3. a
    4. c

    are they right

  • math - ,

    I get b,c,c,a

    If you check 2 and 3, both sides are the same, so they are always equal.

    for #4, there is only one x value which makes the equation true: x = -4

  • math - ,

    thanks

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