Question

załącznik ;p

Answer 1

5a]2x+2[3x+1]=10

2x+6x+2=10

8x=10-2

x=8:8

x=1

b]

x/3  - x/2  =2  /×6

2x-3x=12

-x=12

x=-12

6a

2[c+1]=3a

c+1=1,5a

c=1,5a+1

b

2/c= a/4  +b/4  /×4c

8=ac+bc

8=c[a=b]

c=8/[a+b]

c]

1/a  -3/2c=2/c   /×ac

c-1,5a=2a

c=2a+1,5a

c=3,5a