a) 2x + 17= 26-x
2x + x = 26-17
3x=9 /:3
x= 3
b) 11- x = 3 x +8
11 - 8= 3x + x
3= 4x /:4
0.75 = x
a)
b)
c)
d)
e)
f)
Liczę na naj! :)
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a) 2x + 17= 26-x
2x + x = 26-17
3x=9 /:3
x= 3
b) 11- x = 3 x +8
11 - 8= 3x + x
3= 4x /:4
0.75 = x
a)
b)
c)
d)
e)
f)
Liczę na naj! :)