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Rozwiązane

2x+5=17
3x-6=18
4x-6=34
2x-4+x=8
3x-2x +3 =5
97= 2x -5
43=7+9x
daje naj

Odpowiedź :

MAGDAMAGDA131398ON

Odpowiedź:

2x+5=17/ -5

2x=17/:2

x=8.5

3x-6=18/+6

3x=24/:3

x=8

4x-6=34/+6

4x=40/:4

x=10

2x-4+x=8/+4

3x=12/:3

x=4

3x-2x+3=5/-3

x=2

SIALALALDDXDON
2x +5 = 17 | -5
2x = 12 | :2
x = 6

3x - 6 = 18 | +6
3x = 24 | :3
x = 8

4x - 6 = 34 | + 6
4x = 40 | :4
x = 10

2x -4+x =8
3x - 4 = 8 | +4
3x = 12 | :3
x = 4

3x-2x+3=5
x +3 =5 | -3
x = 2

97 = 2x -5 | + 5
102 = 2x | :2
x = 51

43 = 7 +9x | -7
36 = 9x | :9
x = 4

Pozdrawiam!

On Studier: Inne Pytanie