" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
3-5<y-2y+y
-2<0
b)5(2x+3)>2(x-3)+x
10x+15>2x-6+x
15+6>2x+x-10x
21>-7x |:(-7)
-3<x
c)-3(z-2)-2≤z-5-4z
-3z+6-2 ≤ z-5-4z
6-2+5 ≤ z-4z +3z
9 ≤ 0
d)7y-2(y-4)≥6-(2-y)
7y-2y+8 ≥ 6-2+y
7y-2y-y ≥ 6-2-8
4y ≥ -4 |:4
y≥-1
e)4(2-x)-3(1-x)<5(1-x)
8-4x-3+3x < 5-5x
8-3-5 < -5x +4x-3x
0< -4x |:(-4)
0>x
y<2
b.)10x+15>2x-6+x
10x-2x-x>-6-15
7x>21/:7
x>3
c.)-3(z-2)-2≤z-5-4z
-3z+6-2≤-5-4z
-3z+4z≤-5-6
z≤-11
d)7y-2(y-4)≥6-(2-y)
7y-2y+8≥6-2+y
7y-2y-y≥6-2-8
4y≥-4/:4
y≤-1
e)4(2-x)-3(1-x)<5(1-x)
8-4x-3+3x<5-5x
-4x+3x+5x<5-8+3
4x<0/:4
x<0
a)3-y<5+y-2y
b)5(2x+3)>2(x-3)+x
c)-3(z-2)-2≤z-5-4z
d)7y-2(y-4)≥6-(2-y)
e)4(2-x)-3(1-x)<5(1-x)
A) –y-y+2y<5-3
0<2
Równanie sprzeczne
B) 10x+15>2x-6+x
10x-2x-x>6-15
8x>-9
x>-9/8
C)-3z+6-2≤z-5-4z
-3z+4z≤-5-6
z≤-11
d)7y-2y+8≥6-2+y
7y-2y-y≥6-2-8
4y≥-2
y≥-2/4
y≥-1/2
E) 8-4x-3+3x<5-5x
-4x+3x+5x<5+3-8
4x<0
X<0