6 x X - 4,7 x 3 = 7,9 x 47,4 - 4,7 x 3
6 x X - 14,1 = 374,46 - 14,1
6 x X - 14,1 = 360,36
6 x X=360,36+14,1
6 x X= 374,46
X=62,41
\(6\times x-4,7\times3=7,9\times47,4-4,7\times3\\ \rightarrow6\times x-14,1=374,46-14,1\\\rightarrow6\times x-14,1=360,36\\ \rightarrow6\times x=360,36+14,1\\ \rightarrow6\times x=374,46\\ \rightarrow x=374,46:6\\ \rightarrow x=62,41\)