Q8. Solve the simultaneous equation x + y = 4 and x - y = 8. find the value of x and y. *
1 point
a. x = 6 ; y = -2
b. x = -2 ; y = 7
c. x = 3 ; y = 4
d. x = 4 ; y = 6
answer quickly please
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Answer:
x=6;y=-2
Step-by-step explanation:
x+y=4
=>6+(-2)=4
=>6-2=4
x-y=8
=>6-(-2)=8
=>6+2=8
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