Rozwiąż równania.
Zad.1
3x=2x+1/7
3-x=-2x
5y=13
1/7x=-2
-7b=7/8
7a+7=35
2-x=5-2x
69-x=x=96
1/2c+5=c+8
Zad.2
97=2x-5
43=7+9x
17=11-12x
3,1/2x-13
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
3x=2x+1/7
3x-2x=1/7
x=1/7
3-x=-2x
-x+2x=-3
x=3
5y=13 |:5
y=13/5
y=2 i 3/5
1/7x=-2 |*7
x=-14
-7b=7/8 |:(-7)
b=7/8*(-1/7)
b=-1/8
7a+7=35
7a=35-7
7a=28 |:7
a=4
2-x=5-2x
-x+2x=5-2
x=3
69-x=x+96
-x-x=96-69
-2x=27 |:(-2)
x=-27/2
x=-13,5
1/2c+5=c+8
1/2c-c=8-5
-1/2c=3 |*2
-c=6 |*(-1)
c=-6
Zad.2
97=2x-5
-2x=-5-97
-2x=-102 |:(-2)
x=51
43=7+9x
-9x=7-43
-9x=-36 |:(-9)
x=4
17=11-12x
12x=11-17
12x=-6 |:12
x=-6/12
x=-1/2
3 2/3=1/2x-1/3
-1/2x=-1/3-3 i 2/3
-1/2x=-1/3-11/3 |*6
-3x=-2-22
-3x=-24 |:(-3)
x=24/3
x=8
Liczę na naj :) ;]
zadanie 1.
x=1/7
x=-3
y=13/5
x=-14
b=-1/8
a=4
x=3
c=-6
Zadanie 2.
x=51
x=4
x=-1/2