Question

x+3y=12,2x+7y=25 solve by substitution method​

Answer 1

Step-by-step explanation:

From the equation x+3y=12

we get,x=12-3y

substitute the value of x in another equation

2(12-3y)+7y=25

24-6y+7y=25

we get, y=1

similarly, we get x=9