Question

(6,5-1,3х)*4/13=(0,8-3х):6/7

Answer 1

(26-5,2x)/13=(5,6-21x)/6

156-31,2x=72,8-273x

241,8x=-83,2

x=0,34409

Answer 2

(6,5-1,3x)*4//13=(0,8-3x):6//7
2-0.4x-(14//15-3.5x)=0

16//15-0.4x+3.5x=0

16//15+3.1x=0

x=(-16//15)/3.1
x=-32//93 (~-0.344)

 

// - черта дроби