Wyznacz x ze wzoru:
a)3x-1=z
b)4y=6(x+2)
;) ;]
a
3x + 1 = z
3x = z - 1 :3
x = z:3 - 1;3
b
4y = 6x + 12
4y- 12 = 6x :6
4:6 - 2 = x
x= 4:6 - 2
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a
3x + 1 = z
3x = z - 1 :3
x = z:3 - 1;3
b
4y = 6x + 12
4y- 12 = 6x :6
4:6 - 2 = x
x= 4:6 - 2