Question

whats the answer of this x+y=10 if x= 7 1/2?

Answer 1

just plug in the numbers:

7.5 +y = 10; what does y have to be for this to be true?

Answer 2

7.5 ;

if we add .5 we get to 8
if we add 2 more we get to 10

y = 2.5

Answer 3

or mixed numeralwise 2' 1/2

Answer 4

if u substitute 7 1/2 to the x is the y become fraction?

Answer 5

the y will become a fraction yes; it is the value that has to be added to 7' 1/2 to make the equation equal 10

Answer 6

so whats the graph of x-y=5 and x+y=10