Question

rezolvati ecuatia 2(-x+2)-3(x+4)=-4-(x-5)
b) -3(2x+1)+2(2x+3)=-4(x-4)-(2x+5)
c) 5(-x-1)-(x+1)=1-(8x+4)
ajutor dau coroana

Answer 1

Răspuns:

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

-5x+x=1+8

-4x=9

x=-2,25

b). -6x-3+4x+6=-4x+16-2x-5

-2x+3=-6x+11

-2x+6x=11-3

4x=8

x=2

c). -5x-5-x-1=1-8x-4

-6x-6=-8x-3

-6x+8x=-3+6

2x=3

x=1,5

Explicație: