Proszę o rozwiązanie przykładów: D
3x + x =
10a - 4a =
5x + ( -7x ) =
2a - 6a =
-3b - 4b =
3z + 2z + 7z =
9y + 6v - 2y =
5w - 4w - 2w =
Uprość wyrażenia :
2x + 1 + 3x =
5 - 3x + 7 =
2,5x - 2,5 + x =
2a - 3a + 7 - 6 =
3x - 6 + 4x + 2 =
3x - 1 - 4x + 6 =
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zad 1.
a)3x+x=4x
b)10a-4a=6a
c)5x+(-7x)= 5x-7x= -2x
d)2a-6a= -4a
e)-3b-4b=-7b
f)3z+2z+7z=12z
g)9y+6v-2y=7y-6v
h)5w-4w-2w=-w
zad2.
a)2x+1+3x= 5x+1
b)5-3x+7=12+3x
c)2,5x-2,5+x=3,5x-2,5
d)2a-3a+7-6=-a+1
f)3x-6+4x+2=7x-4
g)3x-1-4x+6=-x+5
3x + x =4x
10a - 4a =6a
5x + ( -7x ) =5x-7x=-2x
2a - 6a =-4a
-3b - 4b =-7a
3z + 2z + 7z =12z
9y + 6v - 2y =7y+6v
5w - 4w - 2w =-w
Uprość wyrażenia :
2x + 1 + 3x =5x+1
5 - 3x + 7 =-3x+12
2,5x - 2,5 + x =3.5x-2.5
2a - 3a + 7 - 6 =-a+1
3x - 6 + 4x + 2 =7x-4
3x - 1 - 4x + 6 =-x+5