Question

For simultaneous equation variables x and y, Dx=49, Dy= - 68, D = 7, then what is x?​

Answer 1

HERE IS UR ANSWER DEAR,

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

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Answer 2

Step-by-step explanation:

Dx/D

49/7

=7

so, simple by cramers rule