0.3(0.4x-1.2)+0.36x=3.4

Question

0.3(0.4x-1.2)+0.36x=3.4

Answer 1

0,12х - 0,36 + 0,36х = 3,4
0,12х + 0,36х = 3,4 + 0,36
0,48х=3,76
х = 3,76/0,48