Wyznacz y z równania a) 2x+y=14 b) 6x+3y=12
a)
2x+y=14
y=14-2x
b)
6x+3y=12
3y=12-6x /:3
y=4-2x
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a)
2x+y=14
y=14-2x
b)
6x+3y=12
3y=12-6x /:3
y=4-2x