Question

In the pair of equations x-3y-7=0 and 3x-3y-15=0, the value of x is *​

Answer 1

Answer:

x-3y=7 (1)

3(x-y-5)=0

x-y-5=0/3

x-y=5 (2)

subtracting 1 and 2

x-3y-x+y=7-5

-2y=2

-y=2/2

y=-1

x-y=5

x-(-1)=5

x+1 =5

x=4

Answer 2

Step-by-step explanation:

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