<em>2 / 3 ( c - 18 ) = 17 multiplying 2 / 3 to the value in bracket 2 c / 3 - 36 / 3 = 7 adding 36/3 on other side 2 c / 3 = 7 + 36 / 3 by taking L.C.M 2 c / 3 = 21 /3 + 36 / 3 2c / 3 = 21 + 36 / 3 2 c / 3 = 57 /3 multiplying 3 on other side 2 c= 57 / 3 </em>×<em>3 3 will be canceled 2c = 57 dividing 2 on other side c = 57 / 2 c = 28.5 answer...</em>