" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2025 KUDO.TIPS - All rights reserved.
72-2(x+3)=7(x+3)
72-2x-6=7x+21
-9x=-45/-9
x=5
b) 49:(c-4)=7 /*(c-4)
49=7*(c-4)
49=7c-28
-7c=-28-49/:(-7)
x=11
72 : (x + 3) = 9
72 : x + 72 : 3 = 9
72 : x = - 15
72 = - 15 x
x = - 48
b) 49:(c-4)=7
49 : c = 19,25
49 = 19,25 c
c = ( w zaokrągleniu) 3