1.

3) For simultaneous equations in x & y, if Dx = 49,Dy =-63 and D = 7 then what is the value ofx? (x वy ही चलेअसलेल्या एकसामायिक समीकरणासाठी जर D = 49,D,= -63 आणि D=7 असेल तर x ची किंमत काढा)​

Answer»

Answer:

X=7 & y = -9

Step-by-step EXPLANATION:

GIVEN Dx= 49

Dy= -63

D= 7

Find X&y

Sol:- Dx= 49

7*x= 49

x= 49÷7

x = 7

Again, Dy = -63

7*y = -63

y= -63÷7

Y = -9



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