" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
3a+5a-2
8a-2
b)4x-(3x+4)
4x-3x-4
x-4
c)-(2x+4y)+(x-y)
-2x-4y+x-y
-x-5y
d)(4p-3q)-(2p+q)
4p-3q-2p-q
2p-4q
e)-3x+(4y-3)-(5x-2)
-3x+4y-3-5x+2
-8x+4y-1
f)4(3x+2)+x
12x+8+x
13x+8
g)2(5a+3b)-2b+a
10a+6b-2b+a
11a+4b
i)-4(2a-3b+2c)+(a-b+c)
-8a+12b-8c+a-b-c
-7a+11b-9c
3) Zapisz w jak najprostrzej postaci
a)3a+2a-4b-a+6b
4a+2b
b)-(4x-3y)+x-2y
-4x+3y+x-2y
-3x+y
c)8a-2b+4b-a+2b
7a+4b
d)3(x+2y)+2-y
3x+6y+2-y
3x+5y+2
e)4(3a-2b)-(a+2b)
12a-8b-a-2b
11a-10b
f)6(m+3n)-4(m+2n)
6m+18n-4m-8n
2m-10n
g)-(-2a)+4b+(-2a)+b
2a+4b-2a+b
5b
h)3(2a+3b+1)+a - 2b-1
6a+9b+3+a-2b-1
7a+7b+2
i)-4(a+3b)-3(a-b)
-4a-12b-3a+3b
-7a-9b
) Równania.Obilicz
a) 3x+6=9
3x=3\3
x=1
b)4+2x=12
2x=8\2
x=4
c)5-5x=-5
-5x=0
d)6a-2=a+3
6a-a=3+2
5a=5\5
a=1
e)4+3x=x+20
3x-x=20-4
2x=16\2
x=8
f)-x+6=2x-3
-x-2x=-3-6
-3x=-9\(-3)
x=3
g)5a+2=a-2
5a-a=-2+2
4a=0
h)7+3y=y-4
3y-y=-4-7
2y=-11\(-2)
y=5.5
i)10 - 4z=2z-20
-4z-2z=-20-10
-6z=-30\(-6)
z=5
b)4x-(3x+4)=x-4
c)-(2x+4y)+(x-y)=-2x-4y+x-y=x-5y
d)(4p-3q)-(2p+q)=4p-3q-2p-q=2p-4q
e)-3x+(4y-3)-(5x-2)=-3x+4y-3-5x+2=-8x+4y-1
f)4(3x+2)+x=12x+8+x=13x+8
g)2(5a+3b)-2b+a=10a+6b-2b+a=11a+5b
h)3(x+4y)4(2x-y)=3x+12y*8x-4y=3x+96xy-4y
i)-4(2a-3b+2c)+(a-b+c)=-8a+12b-8c+a-b+c=-7a+11b-7c
j)-(x+3y)5(4x-2y)=-x-3y*20x-10y=-x-60xy-10y
zad.2
a)42 0000=4.2*10⁵
b)1500000=1.5*10⁶
c)0,00000073=7.3*10<do -7>
d)0,00000000903=9.03*10 <do -9>
zad.3
a)3a+2a-4b-a+6b=4a+2b
b)-(4x-3y)+x-2y=-4x+3y+x-2y=-3x+y
c)8a-2b+4b-a+2b=7a+4b
d)3(x+2y)+2-y=3x+6y+2-y=3x+5y+2
e)4(3a-2b)-(a+2b)=12a-8b-a-2b=11a-10b
f)6(m+3n)-4(m+2n)=6m+18n-4m-8n=2m+10n
g)-(-2a)+4b+(-2a)+b=2a+4b-2a+b=5b
h)3(2a+3b+1)+a-2b-1=6a+9b+3+a-2b-1=7a+7b+2
i)-4(a+3b)-3(a-b)=-4a-12b-3a+3b=9b-7a
zad.4
a) 3x+6=9
3x=3/:3
x=1
b)4+2x=12
2x=8/:2
x=4
c)5-5x=-5
-5x=-10/:(-5)
x=2
d)6a-2=a+3
5a=5/:5
a=1
e)4+3x=x+20
2x=16/:2
x=8
f)-x+6=2x-3
x=-9
g)5a+2=a-2
4a=-4/:4
a=-1
h)7+3y=y-4
2y=-11/:2
y=-²/₁₁
i)10 - 4z=2z-20
-6z=-30/:(-6)
z=5
:))