Question

5/2(0,4x-1)=(3/4*3/4*3/4*3/4)*(4/3*4/3*4/3)​

Answer 1

5/2(0.4x-1)=(3/4) la puterea 4*(4/3) la puterea 3

5/2(0.4x-1)=3/4

2.5(0.4x-1)=3/4

0.4x-1=3/4*2/5

0.4x-1=3/10

0.4x=3/10+1

0.4x=13/10

x=13/10:4/10

x=13/10*10/4

×=13/4=3.25