zad 1 rozwiąż równanie
a) -5+x=10 x-34=-35 4x=3x-5
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b) 64+2x=44+x 3-x=-2x 4+3x=2+2x
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a) -5+x= 10
x= 10+5
x=15
x-34=35
x=35+34
x=69
4x=3x -5
4x-3x=-5
x=-5
b) 64 +2x=44+x
2x-x= 44-64
x=-20
3-x=2x
-x-2x= -3
-3x=-3/ ;(-3)
x=1
4+3x=2+2x
3x-2x=2 -4
x= -2