0
Anonymous
(3x - 1) + 7 = (7x - 2x) + x
3x - 1 + 7 = 7x - 2x + x
3x + 6 = 6x
6 = 3x
x = 6/3 = 2
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3x1=7 1+7=8 8x3=24
It equals 24.
89
144 9+7 = 16 and 9*16 = 144