Rozwiąż równania.
a) -3x = 2x - 10
b) 2x - 2 = 7 - x
c) 10 = 4 - 2x
d) - ( 2x - 1 ) = 4
a)
-3x=2x-10
-3x -2x=-10
-5x=-10 /:(-5)
x=2
b)
2x-2=7-x
2x+x=7+2
3x=9 /:3
x=3
c)
10=4-2x
10-4=2x
6=2x /:2
3=x
d)
-(2x-1)=4
-2x+1=4 /-1
-2x= 3 /:(-2)
x= -1,5
a) -3x=2x-10
-3x-2x=-10
-5x=-10/:-5
b) 2x-2=7-x
3x=9/:3
c) 10=4-2x
2x=4-10
2x=-6/:2
x=-3
d) -(2x-1)=4
-2x+1=4
-2x=4-1
-2x=3/:-2
x=-1,5
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
a)
-3x=2x-10
-3x -2x=-10
-5x=-10 /:(-5)
x=2
b)
2x-2=7-x
2x+x=7+2
3x=9 /:3
x=3
c)
10=4-2x
10-4=2x
6=2x /:2
3=x
x=3
d)
-(2x-1)=4
-2x+1=4 /-1
-2x= 3 /:(-2)
x= -1,5
a) -3x=2x-10
-3x-2x=-10
-5x=-10/:-5
x=2
b) 2x-2=7-x
2x+x=7+2
3x=9/:3
x=3
c) 10=4-2x
2x=4-10
2x=-6/:2
x=-3
d) -(2x-1)=4
-2x+1=4
-2x=4-1
-2x=3/:-2
x=-1,5