Math, asked by vaibhavivahalia, 4 months ago

For simultaneous equations in variables x and 7, Dx= -63, D=7 then what is x?

Answers

Answered by tiwarishashwat125

2

Answer:

apply D value in two main equation,

Dx= 49

(7)x= 49

7x= 49

x= 49/7

x= 7

Dy=-68

(7)y=-68

7y = -68

y = -68/7

Step-by-step explanation:

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