Vannessa10rans
Answered

1. 2x + 5 = 3x - 7 denklemini çözünüz.


2. 7x +1 = 3x -7 denklemini çözünüz.


3. -x +4 = 5x -2 denklemini çözünüz.


4. 5x +7 = -1 -3x denklemini çözünüz.


5. 2(x-3)=x-1 denklemini çözünüz


Lütfen yardım edin çok acil




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Sagot :

Şeymarans
  1. 2x+5 = 3x-7 → x = 12
  2. 7x+1 = 3x-7 → 4x=-8 → x=(-2)
  3. -x+4 = 5x-2 → 6x=6 → x=1
  4. 5x+7 = -1-3x → 8x=-8 → x=(-1)
  5. 2(x-3) = x-1 → 2x-6=x-1 → x=5
QMATeMATikQDahisirans

Adım adım açıklama:

1.

2x+5 = 3x-7

5+7 = 3x-2x

12 = x

2.

7x+1 = 3x-7

7x-3x = -1-7

4x = -8

x = -2

3.

-x+4 = 5x-2

4+2 = 5x+x

6 = 6x

x = 1

4.

5x+7 = -1-3x

5x+3x = -1-7

8x = -8

x = -1

5.

2(x-3) = x-1

2x-6 = x-1

2x-x = 6-1

x = 5

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