rozwiąż równania: 2x-3=9 , -2x+7=-19 , 3x-8=1 , 2x-7=5x-1 , x+5=6x+ , 2x-4=4,5+1,5
2x - 3 = 9
2x= 9 +3
2x = 12 / :2
x=6
-2x+7=-19
-2x=-19-7
-2x=-26 / :-2
x=13
3x - 8 = 1
3x= 1 +8
3x=9 / :3
x=3
2x-7=5x-1
2x-5x=-1 + 7
-3x= 6 /:-3
x=-2
x+5=6x (tu chyba nie dokończyłaś)
x-6x=-5
5x=-5 / :5
x=-1
2x-4=4,5 + 1,5
2x=4,5 + 1,5 + 4
2x = 10/ :2
x=5
Pozdrawiam :)
2x-3=9 ,
2x = 9 + 3
2x = 12
x = 12 ; 2
x = 6
-2x+7=-19 ,
-2x = -19 - 7
-2x = - 26 /:(-2)
x = 13
3x-8=1 ,
3x = 1 + 8
3x = 9
x = 3
2x-7=5x-1 ,
2x - 5x = - 1 + 7
-3x = 6 /:(-3)
x = -2
x+5=6x+ ????
2x-4=4,5+1,5
2x - 4 = 6
2x = 6 + 4
2x = 10 /:2
x = 5
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2x - 3 = 9
2x= 9 +3
2x = 12 / :2
x=6
-2x+7=-19
-2x=-19-7
-2x=-26 / :-2
x=13
3x - 8 = 1
3x= 1 +8
3x=9 / :3
x=3
2x-7=5x-1
2x-5x=-1 + 7
-3x= 6 /:-3
x=-2
x+5=6x (tu chyba nie dokończyłaś)
x-6x=-5
5x=-5 / :5
x=-1
2x-4=4,5 + 1,5
2x=4,5 + 1,5 + 4
2x = 10/ :2
x=5
Pozdrawiam :)
2x-3=9 ,
2x = 9 + 3
2x = 12
x = 12 ; 2
x = 6
-2x+7=-19 ,
-2x = -19 - 7
-2x = - 26 /:(-2)
x = 13
3x-8=1 ,
3x = 1 + 8
3x = 9
x = 3
2x-7=5x-1 ,
2x - 5x = - 1 + 7
-3x = 6 /:(-3)
x = -2
x+5=6x+ ????
2x-4=4,5+1,5
2x - 4 = 6
2x = 6 + 4
2x = 10 /:2
x = 5