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x+2=10
x= 10-2
x=8
L=1/2 * 8+ 1= 4+1=5
P= 5
b) 1/3y-2=4 /*3
y-6=12
y=12+6
y=18
L=1/3 *18-2=6-2
P=4
c)
-2k +6=18
-2k= 18-6
-2k=12/ : -2
k=6
L=-2*6+6= 12+6= 18
P=18
d)
-5z-3= 22
-5z= 22+3
-5z=25 / :-5
z= -5
L=-5 *-5 -3= 25-3=22
p=22
e)
9z-8=5z
9z-5z=8
4z=8 /:4
z=2
L=9*2-8= 18-8=10
P=5*2=10
f)
s+4=-3s
s+3s= -4
4s= -4 /:4
s= -1
L=-1 +4= 3
P= -3*-1=3
Mam nadzieje, że pomogłam :))