Ответ:
1 ) x-5=1/2x+1/2
2x-10=x+1
2x-10-x=1
2x-x=1+10
x=1+10
x=11
2) 3x+1/4-x/6=1-x/8
72x+6-4x=24-3x
68x+6=24-3x
68x+6+3x=24
68x+3x=24-6
71x=24-6
71x=18
x=18/71
3)2-x/5+2=3+2x/2
2x-x/5+2=3+x
4-x/5=3+x
20-x=15+5x
20-x-5x=15
-x-5x=15-20
-6x=15-20
-6x=-5
x=5/6
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Answers & Comments
Ответ:
1 ) x-5=1/2x+1/2
2x-10=x+1
2x-10-x=1
2x-x=1+10
x=1+10
x=11
2) 3x+1/4-x/6=1-x/8
72x+6-4x=24-3x
68x+6=24-3x
68x+6+3x=24
68x+3x=24-6
71x=24-6
71x=18
x=18/71
3)2-x/5+2=3+2x/2
2x-x/5+2=3+x
4-x/5=3+x
20-x=15+5x
20-x-5x=15
-x-5x=15-20
-6x=15-20
-6x=-5
x=5/6