rozwiasz równania i sprawdz otrzymany wynik
a) -27x + 1 = 2x +59
b) 45x - 19 = 19x - 45
c) 82x - 9 = -18x + 1
DAJE NAJ TYLKO PROSZE JAK NAJSZYBCIEJ
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
a)
-27x + 1 = 2x +59
-29x=58 /:(-29)
x=-2
spr:
-29*(-2)=58
58=58
b)
45x - 19 = 19x - 45
26x=-26 /:26
x=-1
spr:
26*(-1)=-26
-26=-26
c)
82x - 9 = -18x + 1
100x=10 /:100
x= 1/10
spr:
100* (1/10)=10
10=10
a)
-27x+1 = 2x+59
-27x-2x = 59-1
-29x = 58 /:(-29)
x= -2
spr.
-27*(-2)+1 = 2*(-2)+59
54+1 = -4+59
55 = 55
b)
45x-19 = 19x-45
45x-19x = 19+(-45)
26x = -26 /:26
x= -1
spr.
45*(-1)-19 = 19*(-1)-45
-45-19 = -19-45
-64 = -64
c)
82x-9 = -18x+1
82x+18x = 1+9
100x = 10 /:100
x=0.1
spr.
82*0.1 -9 = -18*0.1 +1
-0.8 = -0.8