The perimeter of a triangle is (7x -3y +6) metre. The lengths of two sides of a triangle are (2x+y-1) metre and (x-2y+10) metre. Find the length of the third side in the term of x.
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Perimeter =a+b+c
a=(2x+y-1);b=(x-2y+10)
let c=c
Perimeter =2x+y-1+x-2y+10+c
Putting the value of perimeter
7x-3y+6=3x-y+9+c
7x-3x-3y+y +6-9=c
4x-2y-3=c Ans
a=(2x+y-1);b=(x-2y+10)
let c=c
Perimeter =2x+y-1+x-2y+10+c
Putting the value of perimeter
7x-3y+6=3x-y+9+c
7x-3x-3y+y +6-9=c
4x-2y-3=c Ans
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