rozwiąż równania
2(x+1)=x
2t-(3t+1)=6
(x-7)-2(3x+5)=3
a)
2x+2=x
x+2=0
x=-2
b)
2t-3t-1=6
-t-1=6
-t=7
t=-7
x-7-6x-10=3
-5x-17=3
-5x=20
x=-4
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a)
2(x+1)=x
2x+2=x
x+2=0
x=-2
b)
2t-(3t+1)=6
2t-3t-1=6
-t-1=6
-t=7
t=-7
(x-7)-2(3x+5)=3
x-7-6x-10=3
-5x-17=3
-5x=20
x=-4