Rozwiąż równanie z niewiadomą x:
a)ax-a²=2x-4
b)5(x-a)=3(x+a)
c)a(x-1)-4=x-a
d)(x+a)/a- b/a= (x-b)/b + a/b
e)mx-5m+5=x
a²-2a-b²=a²+b²x
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b) 5x-5a=3x+3a
5x-3x=3a+5a
2x=8a /:2
x=4a
c)a(x-1)-4=x-a
ax-a=x-a /:-a
ax=x
d)(x+a)/a- b/a= (x-b)/b + a/b
(x+a)/a- b/a /*a
(x+a)-b
-x-a-b
-x=a+b /*(-1)
x=-a-b
(x-b)/b + a/b /:b
(x-b)+a
-x+b+a
-x=-b-a /*(-1)
x=-a-b
chyba cos tu źle jest...