math :(

No solutions, one solution, or infinitely many solutions???

2(x – 3) = 2x
No solution*
one solution
infinitely solution

3(y – 3) = 2y – 9 + y
No solution
one solution
infinitely solution
10x – 2 – 6x = 3x – 2 + x
No solution
one solution
infinitely solution
4(x + 3) + 2x = x – 8
No solution
one solution
infinitely solution

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  1. the last has a solution
    4x+12+2x=x-8
    7x=-20
    x=-20/7

    the third
    combining each side
    4x-2=4x-2
    all x (infinite solution)

    the second
    3(y – 3) = 2y – 9 + y
    3y-9=3y-9
    all y (infinite solution)

    the first:
    2(x – 3) = 2x
    2x-6=2x
    no solution

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