Rozwiąż równania:a) 2x+1>9b) 10+x≥7
c) 5x-1,5<3,5
a) 2x+1=9
2x=9-1
2x=8 /:2
x=4
b)10+x=7
x=7-10
x=-3
c)5x-1,5=3,5
5x=3,5+1,5
5x=5 /:5
x=1
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
a) 2x+1=9
2x=9-1
2x=8 /:2
x=4
b)10+x=7
x=7-10
x=-3
c)5x-1,5=3,5
5x=3,5+1,5
5x=5 /:5
x=1