Question

3x+5y=12 4x+2y=5 by substitution method​

Answer 1

Answer:

3x=12-5y

x=12-5y/3----------1

Substitute in other eq

4(12-5y/12)+2y=5

12-5y/3+2y=5

12-5y+6y=15

12+y=15

Y=3------2

3x+5(3)=12

3x+15=12

3x=-3

x=-3/3

x=-1

Thank you