Zad 2 str 199 matematyka z plusem klasa 6 Rozwiąż równania:
a) 97=2x-5
b) 43=7-9x
c)17=11-12x
d) 3 i 2/3 = 1/2 x - 1/3
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
a) 97= 2x - 5
97+5=2x
102=2x/2
51=x
b)43=7-9x
43-7=9x
36=9x
x=4
c)17=11-12x
17-11=-12x
-6=-12x
0,5=x
d)3 2/3= 1/2x - 1/3
3 2/3 + 1/3= 1/2x
4=1/2 x
8 = x
a 97=2x-5 /+5
102=2x /:2
51=x
b 43=7-9x /-7
36=-9x
-36=9x /:9
-4=x
c 17=11-12x /-11
6=-12x
-6=12x /:12
-0.5=x
d 3 i 2/3 = 1/2x - 1/3 /+1/3
4= 1/2x / x 2
8=x