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| -5
\/
2x
| × ½
\/
x
b )-3 + 4
| + 3
\/
4
| :4
\/
1
c) 2 - 3x
| - 2
\/
-3x
| : (-3)
\/
x
d) 7 - x
| - 7
\/
-x
| : (-1)
\/
x
e) 2x - 1
| +1
\/
2x
| :2
\/
x
f) -5y + 2
| -2
\/
-5y
| :-5
\/
y
g) 4 - z
| -4
\/
-z
| *-1
\/
z
h) ½t +⅓
| -⅓
\/
½t
| :½
\/
t
CHYBA TAK