Question

exercițiul 4
Va rog frumos!!​

Answer 1

Răspuns:

a)5(1_2x)+1=4(x+3)+8

5-10x+1=4x+12+8

6-10x=4x+20

-10x+4x=20-6

-14x=14

x=-1

b)7x-7=6-3(x+1)

6x-7x=6-3x-3

6x=3-3x

6x+3x=3

9x=3

x=1/3

x=0,3,x=3

c)2(2x-5)=4(x-2)-6

4x-10=8-6

-10=-8-6

-10=-14

x€0