Question

4z-3 > 2z+9
3+4x > -1
-2(4a+1)<3-10a
-2(3x+
1) +1<-(7+8x)
0.08x+0.09(2x-1)>130 - 0.09
3/4(y-1) 2y- 4-3y/5<7y- y-3/2
3x+2/9 - 2x+1/3>-1
dam naj gwiazdkę i dziękuje

Answer 1

4z-3>2z+9
4z-2z>9+3
2z>12/2
z>6

3+4x>-1
4x>-1-3
4x>-4/4
x>-1

-2(4a+1)<3-10a
-8a-2<3-10a
-8a+10a<3+2
2a<5/2
a<pięciu drugich
a<2.5

-2(3x+1)+1<-(7+8x)
-6x-2+1<-7-8x
-6x+8x<-7-1+2
2x<-6/2
x<-3

0,08x+0,09(2x-1)>130-0,09
0,08x+0,18x-0,09>129,91
0,26x>129,91+0,09
0,26x>130/0,26
x>500