Zad.1/172 Rozwiąż równania
a)-3x=2x-10
b)2x-2=7-x
c)10=4-2x
d)-(2x-1)=4
e)2(x+1)=x
f)2t-(3t+1)=6
-5x=10/:(-5)
x=-2
3x=9/:3
x=3
2x=-6/:2
x=-3
-2x+1=4
-2x=3/:(-2)
x=-1,5
2x+2=x
2t-3t-1=6
-t=7/:(-1)
t=-7
licze na naj ;d
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a)-3x=2x-10
-5x=10/:(-5)
x=-2
b)2x-2=7-x
3x=9/:3
x=3
c)10=4-2x
2x=-6/:2
x=-3
d)-(2x-1)=4
-2x+1=4
-2x=3/:(-2)
x=-1,5
e)2(x+1)=x
2x+2=x
x=-2
f)2t-(3t+1)=6
2t-3t-1=6
-t=7/:(-1)
t=-7
licze na naj ;d