Rozwiązywanie równań;
a) 7/9+x/2=3/2-x/18
b)x/2-3/6=7/8+x/4
a)7/9+x/2=3/2-x/18
10x=13
x=1.3
b)24x-24=42+12x
12x=66
x=5.5
a)
7/9+x/2=3/2-x/18 /*18
14+9x=27-x
9x+x=27-14
10x=13 /:10
x=13/10
x=1i3/10
b)
x/2-3/6=7/8+x/4 /*24
12x-12=21+6x
12x-6x=21+12
6x=33 /:6
x=33/6
x=5i1/2
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a)7/9+x/2=3/2-x/18
10x=13
x=1.3
b)24x-24=42+12x
12x=66
x=5.5
a)
7/9+x/2=3/2-x/18 /*18
14+9x=27-x
9x+x=27-14
10x=13 /:10
x=13/10
x=1i3/10
b)
x/2-3/6=7/8+x/4 /*24
12x-12=21+6x
12x-6x=21+12
6x=33 /:6
x=33/6
x=5i1/2