Odpowiedź :
1) 4x + 16 = 12 / - 16
4x = 12 - 16
4x = - 4 / : 4
x = - 1
2) 8x - 12 = 20 / + 12
8x = 20 + 12
8x = 32 / : 8
x = 4
:)
1) 4x + 16 = 12
4x= 12-16
4x= -4/:4
x= -1
2) 8x – 12 = 20
8x= 20+12
8x=32/:8
x=4
1) 4x + 16 = 12 / - 16
4x = 12 - 16
4x = - 4 / : 4
x = - 1
2) 8x - 12 = 20 / + 12
8x = 20 + 12
8x = 32 / : 8
x = 4
:)
1) 4x + 16 = 12
4x= 12-16
4x= -4/:4
x= -1
2) 8x – 12 = 20
8x= 20+12
8x=32/:8
x=4