Solving a System by Substitution (9.1.2)

Question 1

• The substitution method is one way to solve a linear system of equations. In the substitution method, start by solving one of the equations for y. Then substitute that expression into the other equation and simplify.

Answer 1

• The substitution method is one way to solve a linear system of equations. In the substitution method, start by solving one of the equations for y. Then substitute that expression into the other equation and simplify.

Question 2

• Finding the solutions to a linear system with two equations gives you the points where the lines intersect.

Answer 2

• Finding the solutions to a linear system with two equations gives you the points where the lines intersect.