Question

Решите пример 3,4•(0,4х+0,2)+1,52=8,32

Answer 1

1.36х+0.68+1.52=8.32
1,36х+2,2=8.32
1,36х=8.32-2,2
1,36х=6.12
х=6.12:1.36
х=4.5

Answer 2

3.4*0.2(2x+1)=8.32-1.52
0.68(2x+1)=6.8
2x+1=6.8 : 0.68
2x+1=10
2x=10-1
2x=9
x=9 : 2
x=4.5