Question

if(x-1) is the solution of 3x-y=7. find x?


plss answer...

Answer 1

Es question kya hoga

Answer 2

X-1=0
X=1
3x-y=7
Put the value of x
3×1-y=7
3-y=7
-y=7-3
-y=4
Y= -4
x=1,y= -4