Question

ROZWIĄŻ RÓWNANIA !!

zad1.

a)11x+10=2x+37

b)12x+6=9x+12

c)10x+16=3x+2

d)13x+30=21z+14

zad2.

a)5x-12=4+4x

b)9x-8=3x+2

c)10x-4=5x+8

d)2x-2+-12x+18

zad3.

a)7x-13=8

b)3x-4=4x

c)3x+9=-3x+9

d)-27x+1=2x+59

e) 45x-19=19x-45

f)-82x-9=18x+1

Answer 1

a)11x+10=2x+37

11x-2x=37-10

9x=27

x=27/9

x=3

 

b)12x+6=9x+12

12x-9x=12-6

3x=6

x=6/3

x=2

 

c)10x+16=3x+2

10x-3x=2-16

7x=-14

x=-14/7

x=-2

 

d)13x+30=21z+14

 13x-21x=14-30

8x=16

x=16/8

x=2

 

2zad

 

a)5x-12=4+4x

5x-4x=4+12

x=16

 

b)9x-8=3x+2

9x-3x=2+8

6x=10

x=10/6

x=

 

c)10x-4=5x+8

10x-5x=8+4

5x=12

x=5/12

x=

 

d)2x-2=-12x+18

2x+12x=18+2

14x=20

x=20/14

x=

 

zad3

a)7x-13=8

7x=8+13

7x=21

x=21/7

x=3

 

b)3x-4=4x

3x-4x=4

-x=4

x=-4

 

c)3x+9=-3x+9

3x+3x=9-9

6x=0

x=0/6

x=0

 

d)-27x+1=2x+59

-27x-2x=59-1

-29x=58

x=-58/29

x=-2

 

e) 45x-19=19x-45

45x-19x=-45+19

26x=-26

x=-1

 

f)-82x-9=18x+1

-82x-18x=1+9

-100x=10

x=10/100

x=x=