Decide whether each equation is true for all, one, or no values of x.
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1) 6x - 4 = -4 + 6x
6x -6x = -4+4
0 = 0
ans - true
2) 4x -6 = 4x + 3
4x-4x = 3+6
0 = 9
Ans - false
3) -2x+4=-3x+4
-2x + 3x = 4 - 4
x = 0
ans - false