Question

examine whether x =2,y = 1 are solution of the following equation or not? (i) 2x + 3y = 7 (ii) 2x-3y+7 = 8 (iii) 3x+4y = 9 (IV) 5x-7y = 3​

Answer 1

Answer:

In equation (i) (ii) and (iv) , solution x=2, y= 1 is correct and in equation (iii) its incorrect

Answer 2

Answer:

yes option 1 i.e 2x+3y=7

put x=2 and y=1

2*2+3*1=7

4+3=7

7=7