4x-y=2
9x-2y=7
The solution is what? (Type an ordered pair.)
Solve for y in first equation
4x-2=y
Substitute this for y in the second equation which becomes:
9x-2(4x-2)=7
9x-8x+4=7
x+4=7
x=3
Plug 3 for x into first equation.
4(3)-2=y=10
Confirm by second equation
9(3)-2(10)=27-20=7
Already have an account? Log in
By signing up, I agree to Wyzant’s terms of use and privacy policy.
To present the tutors that are the best fit for you, we’ll need your ZIP code.
Your Facebook email address is associated with a Wyzant tutor account. Please use a different email address to create a new student account.
Good news! It looks like you already have an account registered with the email address you provided.
Log in Forgot your password?It looks like this is your first time here. Welcome!
To present the tutors that are the best fit for you, we’ll need your ZIP code.
Please try again, our system had a problem processing your request.
