Odpowiedź :
A) 4x - 3 = 9 |+3
4x = 12 |:4
x = 3
B) 6x - 2 = 10x |+2
6x = 10x + 2 |-10x
-4x = 2 |:-4
x = -0,5
C) 3(x + 3) = 2x - 1
3x + 9 = 2x - 1 |-2x
x + 9 = - 1 |-9
x = -10
D) 4x = 48 |:4
x = 12
Pozdrawiam~Haruqe
A) 4x - 3 = 9 |+3
4x = 12 |:4
x = 3
B) 6x - 2 = 10x |+2
6x = 10x + 2 |-10x
-4x = 2 |:-4
x = -0,5
C) 3(x + 3) = 2x - 1
3x + 9 = 2x - 1 |-2x
x + 9 = - 1 |-9
x = -10
D) 4x = 48 |:4
x = 12
Pozdrawiam~Haruqe