Question

Rozwiaz rownania:

a)x+25=36

b)2x-13=29

c)3x-5=2x+17

d)3(x-3)=2x+16

e)5x-9=24

f)-2(x+6)=3(x+1)

g)5x-12=7x-12

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Answer 1

a)=

x=36-25

x=11

 

b)=

2x=29+13

2x=42:2

x=21

 

c)=

3x-2x=17+5

x=22

 

d)=

3x-9=2x+16

3x-2x=16+9

x=25

 

e)=

5x=24+9

5x=33:5

x=33/5

x=6 3/5

 

f)=

-2x-12=3x+3

-2x-3x=3+12

-5x=15:(-5)

x=-3

 

g)=

5x-7x=-12+12

-2x=0

x=0

 

Answer 2

a) x+25=36

x = 11

b) 2x-13=29

2x = 42  /:2

x = 21

c) 3x-5=2x+17

x = 22

d) 3(x-3)=2x+16

3x - 9 = 2x + 16

x = 25

e) 5x-9=24

5x = 33   /:5
x = 6,6

f) -2(x+6)=3(x+1)
-2x - 12 = 3x + 3

-5x = 15   /:(-5)

x = -3

g) 5x-12=7x-12

-2x = 0   /:(-2)

x = 0