Oblicz
a) 2-x=5-2x=
b) 69-x=x=96=
c) 1/2c+5=c+8=
d) 4u+2=u-7=
e) 2w+3=4w-5 f=
) -t+2=4+5t=
a)x=3
b
a)2-x=5-2x
-x+2x=5-2
x=3
b)69-x=x+96
-x-x=96-69
-2x=27/ : (-2)
x= - 13,5
c) 1/2c+5=c+8
1/2c -c=8-5
-1/2c=3/:(-1/2)
c=-6
d) 4u+2=u-7
4u-u=-7-2
3u=-9/:3
u=-3
e) 2w+3=4w-5
2w-4w=-5-3
-2w=-8/:(-2)
w=4
f)-t+2=4+5t
-t-5t=4-2
-6t=2/(-6)
t=-1/3
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a)x=3
b
a)2-x=5-2x
-x+2x=5-2
x=3
b)69-x=x+96
-x-x=96-69
-2x=27/ : (-2)
x= - 13,5
c) 1/2c+5=c+8
1/2c -c=8-5
-1/2c=3/:(-1/2)
c=-6
d) 4u+2=u-7
4u-u=-7-2
3u=-9/:3
u=-3
e) 2w+3=4w-5
2w-4w=-5-3
-2w=-8/:(-2)
w=4
f)-t+2=4+5t
-t-5t=4-2
-6t=2/(-6)
t=-1/3