Answer:
x
Step-by-step explanation:
The answer to

= x
Step-by-step explanation:
(x + y , x - y) = (4 , 2)
x+y=4 ------(1)
x-y=2 ------(2)
_____ (adding two equation)
2x=6
x=3
From equation 1
3+y=4
y=1
2•3=9 2•2=4 2•2=4 9+4+4=17 the answer is 17
Answer:
13.5
Step-by-step explanation:
7 1/2=7.5
7.5/5*9=13.5