3 7 2x = left ( dfrac 1 27 right - 8 July 8, 2019 16 32 64 128 Left(-27 right)^ frac 2 3 $-3 left(-2 frac 1 8 right)=$ Left(-27 right)^ frac 1 3 Left( frac 1 7 x + frac 3 8 right) + left( frac 2 9 x - frac 1 8 right) Frac 3 left(2x+2 right) 6
