Question

Rozwiąż równania. Zapisz kolejne kroki.
1. (1p) 4x–7 = x + 5

2. 2x + 3 + x = - 9

3. 6x - x + (2x + 3) = 3 (2 - x)

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

5.x-3x+1/4=1/3

6. 4x-1/3=0,5(x-4)

Proszę daje najjj czas do 13:40 ​

Answer 1

1.4x-x=5+73x=12/:3x=42.2x+x=-9-33x=-12/:3x=-43.6x-x+2x+3=6-3x6x-x+2x+3x=3-610x=-3/:10x=-3/104.3x-2x+4=4x-123x-2x-4x=-12-4-3x=-16/:3-x=-16/3-x=-5 1/3x=5 1/35.x-3x+1/4=1/3x-3x=1/3-1/4-2x=4/12-3/12-2x=1/12/:2-x=1/24x=-1/246.4x-1/3=0,5(x-4)4x-1/3=1/2x-24x-1/2x=-2+1/33,5x=-1 2/335/10x=5/3 /:35/10x=21/10x=2,1