Odpowiedź:
3*x +2= - 19
3x= -19-2
3x= - 21 /:3
x= - 7
spr... 3*(-7) + 2 = - 19
-21 +2= - 19
-19= - 19
L=P
****************************************************
6*c -10= 14
6c = 14 + 10
6c= 24 /:6
c= 4
spr... 6*4 -10= 14
24-10= 14
14= 14
*************************************************
8*x +3= 43
8x = 43-3
8x= 40 /:8
x=5
spr... 8*5 +3= 43
40 +3= 43
43= 43
******************************************************
5 *s -9= -6
5s= - 6 +9
5s= 3 /:5
s= 3/5
spr... 5*3/5 -9= -6 ( skracamy 5 i 5 przez 5)
3-9 = -6
-6= - 6
***********************************************************
7 - 2*x = 15
7-2x= 15
-2x = 15 -7
-2x= 8 /:(-2)
x= - 4
spr.. 7- 2*(-4) = 15
7 + 8= 15
15=15
L=p
*********************************************************
6*k + 3 = 33
6k = 33 -3
6k= 30 /:6
k=5
spr... 6*5 +3=33
30+3=33
33=33
Szczegółowe wyjaśnienie:
3*x+2=-19
3x=-19-2
3x=-21 /:3
x=-7
spr.
L=3*(-7)+2=-21+2=-19
P=-19
6*c-10=14
6c=14+10
6c=24 /:6
c=4
L=6*4-10=14
P=14
8*x+3=43
8x=43-3
8x=40 /:8
L=8*5+3=43
P=43
5*s-9=-6
5s=-6+9
5s=3 /:5
s=3/5
L=5*3/5-9=3-9=-6
P=-6
7-2*x=15
-2x=15-7
-2x=8 /:(-2)
x=-4
L=7-2*(-4)=7+8=15
L=15
6*k+3=33
6k=33-3
6k=30 /:6
L=6*5+3=33
P=33
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Verified answer
Odpowiedź:
3*x +2= - 19
3x= -19-2
3x= - 21 /:3
x= - 7
spr... 3*(-7) + 2 = - 19
-21 +2= - 19
-19= - 19
L=P
****************************************************
6*c -10= 14
6c = 14 + 10
6c= 24 /:6
c= 4
spr... 6*4 -10= 14
24-10= 14
14= 14
L=P
*************************************************
8*x +3= 43
8x = 43-3
8x= 40 /:8
x=5
spr... 8*5 +3= 43
40 +3= 43
43= 43
L=P
******************************************************
5 *s -9= -6
5s= - 6 +9
5s= 3 /:5
s= 3/5
spr... 5*3/5 -9= -6 ( skracamy 5 i 5 przez 5)
3-9 = -6
-6= - 6
L=P
***********************************************************
7 - 2*x = 15
7-2x= 15
-2x = 15 -7
-2x= 8 /:(-2)
x= - 4
spr.. 7- 2*(-4) = 15
7 + 8= 15
15=15
L=p
*********************************************************
6*k + 3 = 33
6k = 33 -3
6k= 30 /:6
k=5
spr... 6*5 +3=33
30+3=33
33=33
L=P
Szczegółowe wyjaśnienie:
Odpowiedź:
3*x+2=-19
3x=-19-2
3x=-21 /:3
x=-7
spr.
L=3*(-7)+2=-21+2=-19
P=-19
L=P
6*c-10=14
6c=14+10
6c=24 /:6
c=4
spr.
L=6*4-10=14
P=14
L=P
8*x+3=43
8x=43-3
8x=40 /:8
x=5
spr.
L=8*5+3=43
P=43
L=P
5*s-9=-6
5s=-6+9
5s=3 /:5
s=3/5
spr.
L=5*3/5-9=3-9=-6
P=-6
L=P
7-2*x=15
-2x=15-7
-2x=8 /:(-2)
x=-4
spr.
L=7-2*(-4)=7+8=15
L=15
L=P
6*k+3=33
6k=33-3
6k=30 /:6
k=5
spr.
L=6*5+3=33
P=33
L=P
Szczegółowe wyjaśnienie: