Zadanie 1.przekształć podane wzory tak,aby wyliczyć:
A.
1+a/1-a=b/c (a)
B.
a/a-t=b/b-t (a)
Zadanie 2.rozwiąż równania:
a.
1-(3x-88)/7=5x
b.
3- 3x/2=5/8-(4x-3)/6
Z góry dziękuje za rozwiązanie
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Zadanie 1
A.![1+\frac{a}{1-a}=\frac{b}{c} \\\frac{1-a+a}{1-a}=\frac{b}{c} \\\frac{1}{1-a}=\frac{b}{c} \\\frac{1-a}{1}=\frac{c}{b} \\\1-a=\frac{c}{b} \\a=-\frac{c}{b}+1 \\a=-\frac{c+b}{b} 1+\frac{a}{1-a}=\frac{b}{c} \\\frac{1-a+a}{1-a}=\frac{b}{c} \\\frac{1}{1-a}=\frac{b}{c} \\\frac{1-a}{1}=\frac{c}{b} \\\1-a=\frac{c}{b} \\a=-\frac{c}{b}+1 \\a=-\frac{c+b}{b}](https://tex.z-dn.net/?f=1%2B%5Cfrac%7Ba%7D%7B1-a%7D%3D%5Cfrac%7Bb%7D%7Bc%7D+%5C%5C%5Cfrac%7B1-a%2Ba%7D%7B1-a%7D%3D%5Cfrac%7Bb%7D%7Bc%7D+%5C%5C%5Cfrac%7B1%7D%7B1-a%7D%3D%5Cfrac%7Bb%7D%7Bc%7D+%5C%5C%5Cfrac%7B1-a%7D%7B1%7D%3D%5Cfrac%7Bc%7D%7Bb%7D+%5C%5C%5C1-a%3D%5Cfrac%7Bc%7D%7Bb%7D+%5C%5Ca%3D-%5Cfrac%7Bc%7D%7Bb%7D%2B1+%5C%5Ca%3D-%5Cfrac%7Bc%2Bb%7D%7Bb%7D)
2.
1-(3x-88)/7=5x
-3x+89/7=5x /*7
-3x+89=35x
89=38x
x=2 13/38
3-3x/2=5/-4x+11/6 /*6
9-9x=5/-4x+11
5=(9-9x)(-4x+11)
5=-36x+99+36x-99x
-94=-99x
x=1 4/99