Question

For simultaneous equations in variables X and Y if Dx = 36, Dy= 45 ,D= 3 then what is x?

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Answer 1

Answer:

Given,

Dx=36

3(x)=36

x=12

Step-by-step explanation:

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Answer 2

Answer:

Dx=36-------- eq 1

subs D=3 in eq 1

3x=36

x=36/3

x=12