plisssss pomóżcie przykłady z jedna niewiadoma :
4-3x=-5
3(x+2)+2x=4
2x-8-5x=-9
3(x-2)-5x=10
3x-6=12
x-7-2(3x+5)=3
2(8-x)-3(9-x)=0
10=4-2x
DAJE PUNKTÓW 15 I DAJE NAJ. TAKZE PROSZE O JAK NAJSZYBSZE ROZWIAZANIE I JESZCZE SPRAWDZENIA DO TYCH DZIAŁAŃ PLISSSSSSSSSSSS
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4-3x=-5
-3x=-5-4
-3x=-9
x=-9/-3
x=3
-----
3(x+2)+2x=4
3x+6+2x=4
5x=4-6
5x=-2
x=-2/5
------
2x-8-5x=-9
-3x=-9+8
-3x=-1
x=-1/-3
x=1/3
-------
3(x-2)-5x=10
3x-6-5x=10
-2x=10+6
-2x=16
x=16/-2
x=-8
------
3x-6=12
3x=12+6
3x=18
x=18/3
x=6
------
x-7-2(3x+5)=3
x-7-6x-10=3
-5x=3+17
-5x=20
x=20/-5
x=-4
-------
2(8-x)-3(9-x)=0
16-2x-27+3x=0
x=-16+27
x=11
-------
10=4-2x
4-2x=10
-2x=10-4
-2x=6
x=6/-2
x=-3
4-3x=-5
-3x=-5-4
-3x=-9 /: (-3)
x= 3
3(x+2)+2x=4
3x+6+2x=4
5x=4-6
5x= -2 /:5
x= -0,4
2x-8-5x=-9
-3x= -9+8
-3x= -1 /:(-3)
x=
3(x-2)-5x=10
3x-6-5x=10
-2x=10+6
-2x= 16/: (-2)
x= -8
3x-6=12
3x=12+6
3x= 18 / :3
x=6
x-7-2(3x+5)=3
x-7-6x-10=3
-5x=3+7+10
-5x = 20 / : (-5)
x= -4
2(8-x)-3(9-x)=0
16-2x-27+3x = 0
x= -16 +27
x=11
10=4-2x
10 -4 = -2x
6 = -2x / :(-2)
-3 = x
x= -3