for simultaneous equations in variable x and y ,Dx=49 Dy =63,D=7, than what is x.
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Step-by-step explanation:
for simultaneous equations in variable x and y ,Dx=49 Dy =63,D=7, than what is x.
Answered by
2
Step-by-step explanation:
Dx=49 and Dy=63 (D=7)
7x=49 and 7y= 63
x=49/7 and y= 63/ 7
x= 7 and y = 9
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