Math, asked by pranita1657, 9 months ago

For simultaneous equation in variables x and y , DX = -63 , D = 7 then find the value of x and y.

Answers

Answered by pushkarbhegade18

Answer:

Multiply one or both of the equations by a number that will make the coefficient of x the same in the two equations. ...

Subtract the second equation from the first equation by subtracting the x term, y term and constant in the second equation from the x term, y term and constant in the first equation, respectively.

Step-by-step explanation:

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