Kto mi to zrobi?!?!??!?! Plisss mam to na jutro!!! najbardziej poprawne rozwiazanie dostanie NAJJJ 3a+x=2b 10c-a=7-x -5y+3=x-2y 6a+2x=8 12-3x=a+9 20c+4a=bx+3 ax=c 5xy=a+b c+2a=2xa+4z a=x/y 3a=2x/5 2c=a/x a=x-2/5 a+b/2=x/5 2/x-z=a y=4(x-1) ba=2(3x+2) x+a=2(x+3) 5=a+x/x
3a+x=2b
x=2b-3a
10c-a=7-x
x=7-10c+a
-5y+3=x-2y
-5y+2y+3=x
x=-3y+3
6a+2x=8
2x=8-6a /:2
x=4-3a
12-3x=a+9
-3x=a+9-12
-3x=a-3 /:-3
x=-a/3 +1
20c+4a=bx+3
20c+4a-3=bx /:b
x= (20c+4a-3)/b
ax=c /:a
x=c/a
5xy=a+b /:5y
x=(a+b)/5y
c+2a=2xa+4z
c+2a-4z=2xa /:2a
x=(c+2a-4z)/2a
a=x/y /*y
ay=x
3a=2x/5 /*5
15a=2x /:2
x=15/2 x
2c=a/x /*x
2cx=a /:2c
x=a/2c
a=(x-2)/5 /*5
5a=x-2
x=5a+2
(a+b)/2=x/5 /*2*5
5(a+b)=2x /:2
x=5/2 *(a+b)
2/(x-z)=a /*(x-z)
2=a(x-z)
2=ax-az
2+az=ax /:a
(2+az)/a=x
y=4(x-1)
y=4x-4
y+4=4x /:4
x=(y+4)/4
ba=2(3x+2)
ba=6x+4
ba-4=6x /:6
x=(ba-4)/6
x+a=2(x+3)
x+a=2x+6
x-2x=6-a
-x=6-a /:(-1)
x=a-6
5=a+x/x
x=R-{0}, a=5