0.3(3x-1) 0.2=5(0.1-0.2x)-0.1

Question

0.3(3x-1) 0.2=5(0.1-0.2x)-0.1

Answer 1

0.3(3x-1)+0.2=5(0.1-0.2x)-0.1

0,9х-0,3+0,2=0,5- х-0,1

0,9х+х=0,5-0,1-0,2+0,3

1,9х=0,5

х=1,9/0,5

х=3,8

 

 

Answer 2

(0,9x-0,3)*0,2=0,5-x-0,1

 0,18x-0,06=0,4-x

1,18x=0,46

x=23/59