2w + 3 = 4w - 5
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w= ....
-t + 2 = 4 + 5t
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t= ....
rozwiąż równanie :
1/2 z + 6 = z - 1
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Nie wiem czy to o to chodzi, ale spróbuje pomóc:
2w + 3 = 4w - 5
2w-4w=-5-3
-2w=-8|: (-2)
w=4
-t+2=4+5t
-t-5t=4-2
-6t= 2|:(-6)
t=
t=
1/2 z +6=z-1
1/2 z - z=-1-6
-1/2 z=-7|:(-1/2)
z=3,5