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1/3 x + 2/5x = 22
5/15x + 6/15x = 22
11/15x = 22
11x = 330
x = 30
5. B = -1
3(x-3) = 2(2x-4)
3x - 9 = 4x - 8
3x - 4x = 9 - 8
-x = 1
x= - 1