Question

solve by elimination method 3x+5y=15 and x-y=5​

Answer 1

Step-by-step explanation:

3x+5y=15------(1)

x-y=5-----------(2)

(1)×1=3x+5y=15

(2)×3=3x-3y=15

(-) (+) (-)

----------------------

8y=0

y=0

putting the value of y in equation (1) we can get

3x+5y=15

=>3x+5×0=15

=>3x=15

=>x=5