Question

Rezolva ecuatile 9x+27=40
-3x+15=0
3=-2x+7
22x+44=0
11x+29=95
-18+6x=6
-x+7=-23
4(x-)7=0
-3(x+6)=6​

Answer 1

Răspuns:

1. -3x+15=0

-3x=15

×=15:(-3)

×=-5

2.3=-2x+7

-2x=7-3

-2x=4

x=-2

3. 22x+44=0

22x=44

x=44:22

x=2

4.11x+29=95

11x=95-29

11x= 66

x=6

5.-18+6x=6

6x=-18-6

6x=-24

x=-4

6.-x+7=-23

x=-23-7

x=-30

7.aici nu inteleg.Poate e 4(x-7)=0

4x-28=0

4x=-28

x=-28:4

x=-7

8.-3(x+6)=6

-3x+(-18)=6

-3x-18=6

3x=-18-6

3x=-24

Sper ca te am ajuat.Daca am gresit,iarta ma!Succes in continuare!!!

x=-8