Question

Rozwiaz rownania :

4x=2x-6

-11x=5+4x

3x-7=-2x

13a+12=a

7b-5=2b

pomocy

Answer 1

4x = 2x - 6 

2x = -6 

x = -3 

 

-11x = 5 + 4x 

- 15 x = 5

x = - 1/3

 

3x - 7 = - 2x

5x = 7 

x = 7/5 = 1 2/5

 

13 a + 12 = a 

12 a = -12 

a = - 1 

 

7b - 5 = 2b 

5b = 5

b = 1