Solving Systems of Linear Equations: Substitution

Question 4 of 10 • NJ-Algebra I CR

Ernesto tried to determine the solution for the system of equations using substitution. His work is shown below.x – y = 73x – 2y = 8Step 1: x = y + 7Step 2: 3(y + 7) – 2y = 8Step 3: 3y + 7 – 2y = 8Step 4: y + 7 = 8Step 5: y = 1

Answer

Step 1

Step 2

Step 3

Step 4

Quadratic Functions: Standard Form

Solving Systems of Linear Inequalities

Quadratic Functions: Factored Form