(18)3.5 ÷ (27)3.5x 63.5 = 2? .
3.5
4.5
6
7
2.5
(18)3.5÷(27)3.5×63.5=2x⇔(18)3.5×1(27)3.5×63.5=2x⇔(32×2)3.5×1(33)3.5×(2×3)3.5=2x⇔3(2×3.5)×23.5×13(3×3.5)×23.5×33.5=2x⇔37×23.5×1310.5×23.5×33.5=2x⇔27=2x⇔x=7.
183.5÷273.5 x 63.5 = 27x. Find the value of x.