Question

1) - x + 4.5 = 7

2) - y + 3.9 = 6

3) - m + 2 1/3 = 4

4) -n + 5 = 7.4

5) - k + 9 = 10.2

6) -p + 5 1/7 = 8

 

 

 

 

Answer 1

1) -х+4,5=7/: (-1)
х-4,5=-7
х=4,5-7
х=-2,5

Answer 2

Spasibo

Answer 3

...=-6
у=3,9-6
у=-2,1

Answer 4

1)- x + 4.5 = 7     -x=7-4,5   -x=2,5   x=-2,5 
2)- y + 3.9 = 6     3,9-6=y    -2,1=y
4)-n + 5 = 7.4    5-7,4=n     -2,4=n
5)- k + 9 = 10.2   9-10,2= k    -1,2=k