solve the pair of linear equations x-y=2 and x+y=2 also find p if p=2x+3 - Maths - Pair of Linear Equations in Two Variables

Question

solve the pair of linear equations x-y=2 and x+y=2 also find p if
p=2x+3

Lovina Kansal · Accepted Answer

Dear student
We have,x-y=2     
(1)and x+y=2    
(2)From  eq(1), we havex=2+yPut this in eq(2), we get2+y+y=2⇒2y=0⇒y=0and x=2+0⇒x=2Also, p=2x+3⇒p=2(2)+3⇒p=7
Regards

solve the pair of linear equations x-y=2 and x+y=2 .also find p if p=2x+3