А)x+1 3/4=5 2/3
x=5 2/3-1 3/4 =4 8/12 - 9/12=3 12/12+8/12-9/12
x=3 11/12
Б) x-4 7/8=3 1/2
x=4 7/8+3 1/2=7 14/16 +8/16
x=7 22/16=8 6/16=8 3/8
A) 2 4/7+x=4 1/2
x=4 1/2-2 4/7=2 7/14-8/14=1 14/14+7/14-8/14
x=1 13/14
Б)x-2 4/5=1 11/15
x=2 4/5+1 11/15=3 12/15+11/15
x=3 23/15=3 8/15
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Answers & Comments
А)x+1 3/4=5 2/3
x=5 2/3-1 3/4 =4 8/12 - 9/12=3 12/12+8/12-9/12
x=3 11/12
Б) x-4 7/8=3 1/2
x=4 7/8+3 1/2=7 14/16 +8/16
x=7 22/16=8 6/16=8 3/8
A) 2 4/7+x=4 1/2
x=4 1/2-2 4/7=2 7/14-8/14=1 14/14+7/14-8/14
x=1 13/14
Б)x-2 4/5=1 11/15
x=2 4/5+1 11/15=3 12/15+11/15
x=3 23/15=3 8/15