Помогите 97 балла и изобразите на рисунке. Created by 2017элита. matematika-ru

Помогите 97 балла и изобразите на рисунке...

sedinalana 1
6x+2-x≤3x+12
5x-3x≤12-2
2x≤10
x≤5
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--------------------------[5]--------
2
7x+4x-8>6+18x
11x-18x>6+8
-7x>14
x<-2
\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\
-----------------------------(-2)--------
3
2x-2-3x-6<6+6x
-x-6x<6+8
-7x<14
x>-2
////////////////////////////////////////
-----(-2)------------------------------
4
7y+21-2y-4≥10y+2
5y-10y≥2-17
-5y≥-15
y≤3
\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\
--------------------------[3]--------
5
18+30y-2-7y≤20+5y
23y-15y≤20-16
8y≤4
y≤0,5
\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\
------------------------------[0,5]---------
6
12y-4-3y+3>6+2y
9y-2y>6+1
7y>7
y>1
/////////////////////////////////////
----(1)-----------------------------

1 votes Thanks 1

ПрофиЗнания 1)6x+2-x≤3x+12
5x-3x≤12-2
2x≤10
x≤5
/////////////////////////////////////
___________________5_______

2)7x+4x-8>6+18x
11x-18x>6+8
-7x>14
7x<-14
x<-2
/////////////////////////////////////
___________________-2_________

3)2x-2-3x-6<6+6x
-x-6x<6+2+6
-7x<14
7x>-14
x>-2
\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\
___________-2__________________

4)7y+21-2y-4≥10y+2
5y-10y≥2-17
-5y≥-15
y≤3
/////////////////////////////////
_________________3______________

5)18+30y-2-7y≤20+15y
23y-15y≤20-16
8y≤4
y≤1/2
////////////////////////////////////
__________________1/2________

6)12y-4-3y+3>6+2y
9y-2y>6+1
7y>7
y>1
\\\\\\\\\\\\\\\\\\
__________________1__________

2 votes Thanks 0

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