Question

For simultaneous equation in variables x and y, Dx = 49, Dy = - 63, D = 7 than what is x? * 7 -7 1/7 -1/7

Answer 1

Answer:

7

Step-by-step explanation:

Dx/D=49/7

=49÷7

7×7 is 49 ,so 49 ÷7 will be 7

So ,your is x=7