Question

3•(2x+1)-4(x+3)=5-2•(2x+1)​

Answer 1

3(2x+1)-4(x+3)=5-2(2x+1)

trecem expresiile cu x in stanga, iar celelalte expresii la dreapta (cu semn opus)

3(2x-1)-4(x+3)+2(2x+1)=5

6x-3-4x-12+4x+2=5

6x-13=5

6x=5+13

6x=18

x=18/6

x=3

Raspuns x=3