(9x + 12) / 3 = 3x+4 ■
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3 / 9x+63 / 3(3x+2)1 / 3x+2
(x - 3x - 6) / 6 = (3x + 2) / 3 ∴3x - 9x - 18 = 18x + 12 ∴3x - 9x - 18x = 12 - 18 ∴-24x = -6 ∴ x = 1/4
-9x-25=3 -9x=28 9x=-28 x=-28/9
-10x+3 = -x+12 -10x+x = 12-3 -9x = 9 x = -1
- 7x + (9x - 3) = - 7x + 9x - 3 = 2x - 3