Rozwiąż równanie:
a)
2/3t+5/2t=2-4
4/6t+15/6t=-2
19/6t=-2
t=-12/19
b)
3/4u-1/3u=2+1
9/12u-4/12u=3
5/12u=3
u=36/5
c)
5/7x-11/21x=1+6-3
15/21x-11/21x=4
4/21x=4
1/21x=1
x=21
d)
2/5x+3/2x-9/10x=-1
4/10x+15/10x-9/10x=-1
10/10x=-1
x=-1
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a)
2/3t+5/2t=2-4
4/6t+15/6t=-2
19/6t=-2
t=-12/19
b)
3/4u-1/3u=2+1
9/12u-4/12u=3
5/12u=3
u=36/5
c)
5/7x-11/21x=1+6-3
15/21x-11/21x=4
4/21x=4
1/21x=1
x=21
d)
2/5x+3/2x-9/10x=-1
4/10x+15/10x-9/10x=-1
10/10x=-1
x=-1