" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
43 = 7 + 9x / obustronnie odejmujemy 7
36 = 9x / obustronnie dzielimy przez 9
4 = x
b) 4x-28=2x+4 / obustronnie dodajemy 28
4x = 2x + 32 / obustronnie odejmujemy 2x
2x = 32 / obustronnie dzielimy przez 2
x = 16
c)5(jedna piąta x - 3)=315
x - 15 = 315 / obustronnie dodajemy 15
x = 330
43-7 = 9x
9x= 36 / :9
x = 4
Spr: 43= 7+9*4
43= 7+36
43=43
l=p
b) 4x-28=2x+4
4x-2x = 4+28
2x= 32 /:2
x = 16
Spr: 4*16-28 = 2*16+4
64-28 = 32+4
36 = 36
L=P
c)5(jedna piąta x - 3)=315
x - 15 = 315
x = 315 + 15
x = 330
Spr : 5(jedna piąta*330 - 3) = 315
5(66-3) = 315
5*63 = 315
315 = 315
L=P
43-7 = 9x
9x= 36 / :9
x = 4
b) 4x-28=2x+4
4x-2x = 4+28
2x= 32 /:2
x = 16
c)5(jedna piąta x - 3)=315
x - 15 = 315
x = 315 + 15
x = 330