Odpowiedź:
a) 7x+8=4x+13
3x=5/3
x=1 2/3
b) 19x-9=11x+63
8x=72/8
x=9
c) 24y-17=17y+67
7y=84/7
y=12
d) 14x+21=11x+45
3x=24/3
x=8
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Odpowiedź:
a) 7x+8=4x+13
3x=5/3
x=1 2/3
b) 19x-9=11x+63
8x=72/8
x=9
c) 24y-17=17y+67
7y=84/7
y=12
d) 14x+21=11x+45
3x=24/3
x=8