The system of equations are .
------------------> (1)
------------> (2)
-------------> (3)
Use substitution to make a system of two equations in two variables.
Rewrite the equation .
Subtract 2y from each side.
Substitute value in equation (3).
Subtract 12 from each side.
-----------------> (4)
Multiply equation (4) by 4.
--------------> (5)
Addition equations (5) and (2).
Divide each side by 19.
Substitute value in .
Substitute and value in equation (3).
Subtract 24 from each side.
The values are .
"I want to tell you that our students did well on the math exam and showed a marked improvement that, in my estimation, reflected the professional development the faculty received from you. THANK YOU!!!" June Barnett |
"Your site is amazing! It helped me get through Algebra." Charles |
"My daughter uses it to supplement her Algebra 1 school work. She finds it very helpful." Dan Pease |