Question

vă rogg, dau coroană ​

Answer 1

Explicație pas cu pas:

e)x/3-x-3/4=x+1

4x-3(x-3)=2(x+1)

4x-3x+9=2x+2

x+9=2x+2

x-2x=2-9

-x=-7

x=7

f)2/5*(5/4x-5/6)=3x-1/6

1/2x-1/3=3x-1/6

3x-2=18x-1

3x-18x=-1+2

-15x=1

x=-1/15

h)3+|2x-1|=5

|2x-1|=5-3

|2x-1|=2