show work clearly please

MULTIPLY SECOND BY 3

3x+12y=27

3x=27-2y

substitute in first

27-2y+4y=12

2y=-15

y=-15/2=-7.5........ANSWER

now in second equation substitite y

x+4*-7.5=9

x=9+30

x=39................ANSWER

Secure Information

Content will be erased after question is completed.

Enter the email address associated with your account, and we will email you a link to reset your password.

Forgot your password?

Sign Up