Ответ:
1) 2x+3=x-6
2x-x=-6-3
x=-9
2) z+4-3=2z
2z-z=1
z=1
3)5-3y=4-2y
-3y+2y=4-5
y=1
4) 7-3x=4x-9
7+9=4x+3x
16=7x
x= 16/7
5)6a-1=3a+7
6a-3a=7+1
3a=8
a=8/3
6)10y-3=5+3y
10y-3y=5+3
7y=8
y=8/7
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Answers & Comments
Ответ:
1) 2x+3=x-6
2x-x=-6-3
x=-9
2) z+4-3=2z
2z-z=1
z=1
3)5-3y=4-2y
-3y+2y=4-5
y=1
4) 7-3x=4x-9
7+9=4x+3x
16=7x
x= 16/7
5)6a-1=3a+7
6a-3a=7+1
3a=8
a=8/3
6)10y-3=5+3y
10y-3y=5+3
7y=8
y=8/7