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_+_=10.5 _-3.25=_help me pls

Sagot :

These questions can have multiple answers

for instance,

a)

_+_=10.5

8.5 + 2 = 10.5

5.5 + 5 = 10.5

3.5 +7 = 10.5

5.25 + 5.25 = 10.5



b)

_-3.25 =_

7 - 3.25 = 3.75

7.25 - 3.25 = 4

10. 5 - 3.25 = 7.25

c)

if each _ have the same value

x + x = 10.5

2x= 10.5

x= 5.25

d)

if each _ have the same value

_-3.25 =_

x -3.25= x

x-x = 3.25

0= 3.25

In this case, each x cannot be the same, it would have to be a number that you subtract 3. 25 and it remains the same number. That is not possible.

but if i use x= 5.25

5.25- 3.25= 2