Temat: Rozwiązywanie równości i nierówności
-7 b=7/8
2a+7=35
x+1/2=3/4
2+x=3 1/5
x-4=7
x-2 1/2=4
1/8x=2
-b= 7/8 :7
-b= 7/8*1/7
-b= 7/56
b= - 7/56
2a=35-7
2a= 28
a=14
x=3/4-1/2
x=3/4-2/4
x=1/4
x=3 1/5-2
x= 1 1/5
x=7+4
x=11
x= 4+2 1/2
x=6 1/2
x=2:1/8
x=2*8/1
x=16
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-7 b=7/8
-b= 7/8 :7
-b= 7/8*1/7
-b= 7/56
b= - 7/56
2a+7=35
2a=35-7
2a= 28
a=14
x+1/2=3/4
x=3/4-1/2
x=3/4-2/4
x=1/4
2+x=3 1/5
x=3 1/5-2
x= 1 1/5
x-4=7
x=7+4
x=11
x-2 1/2=4
x= 4+2 1/2
x=6 1/2
1/8x=2
x=2:1/8
x=2*8/1
x=16
-7 b=7/8
-b= 7/8 :7
-b= 7/8*1/7
-b= 7/56
b= - 7/56
-----------
2a+7=35
2a=35-7
2a= 28
a=14
------------
x+1/2=3/4
x=3/4-1/2
x=3/4-2/4
x=1/4
-----------------
2+x=3 1/5
x=3 1/5-2
x= 1 1/5
-------------------
x-4=7
x=7+4
x=11
-----------------
x-2 1/2=4
x= 4+2 1/2
x=6 1/2
--------------
1/8x=2
x=2:1/8
x=2*8/1
x=16