Is it (1/3)*(2x-7) = 4 OR 1/(3*(2x-7)) = 4 ??
1. (1/3)*(2x-7) = 4 [ *3]
2x-7 = 4*3 [+7]
2x = 12+7 [/2]
x = 19/2 = 9.5
2. 1/(3*(2x-7)) = 4 [inverse]
3*(2x-7) = 1/4 [/3]
2x-7 = 1/(4*3) [+7]
2x = (1/12)+7 = (1/12)+(84/12) = 85/12 [/2]
x = 85/(12*2) = 85/24
