a)3x-6=2x
3x-2x=6
x=6
x-2=4
x=4+2
b)2x+5=x
2x-x=-5
x=-5
x-4=1
x=1+4
x=5
c)b-7=12
b=12+7
b=19
2b-7=31
2b=31+7
2b=38 /:2
a)x+2=1/2
x=1/2-2
x=1/2-4/2
x=-3/2
x=-1 1/2
b) b-3=4 1/2
b=9/2+3
b=9/2+6/2
b=15/2
b=7 1/2
c)2w+1/2=6
2w=6-1/2
2w=12/2-1/2
2w=11/2 /:2
w=11/2:2
w=11/2*1/2
w=11/4
w=2 3/4
liczę na naj :)
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
a)3x-6=2x
3x-2x=6
x=6
x-2=4
x=4+2
x=6
b)2x+5=x
2x-x=-5
x=-5
x-4=1
x=1+4
x=5
c)b-7=12
b=12+7
b=19
2b-7=31
2b=31+7
2b=38 /:2
b=19
a)x+2=1/2
x=1/2-2
x=1/2-4/2
x=-3/2
x=-1 1/2
b) b-3=4 1/2
b=9/2+3
b=9/2+6/2
b=15/2
b=7 1/2
c)2w+1/2=6
2w=6-1/2
2w=12/2-1/2
2w=11/2 /:2
w=11/2:2
w=11/2*1/2
w=11/4
w=2 3/4
liczę na naj :)