Rozwiąż równania:
a) -3x=2x-10
b) 2x-2=7-x
c) 10=4-2x
d) -(2x-)=4
e) 2(x+1)=x
f) 2t-(3t+1)=6
-5x=-10 /:-(5)
x=2
3x=9 /:3
x=3
14=-2x /:-(2)
x=-7
d) -(2x-)=4 /:-(2)
x=-2
2x+2=x
-t-1=6
-t=7 /:-(1)
t=-7
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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
14=-2x /:-(2)
x=-7
d) -(2x-)=4 /:-(2)
x=-2
e) 2(x+1)=x
2x+2=x
x=-2
f) 2t-(3t+1)=6
-t-1=6
-t=7 /:-(1)
t=-7