Solving Linear Systems by Substitution Answers

What is the solution to the following system of equations?

What is the solution to the system of equations?

Package A contains 3 birthday cards and 2 thank-you notes and costs $9.60. Package B contains 8 birthday cards and 6 thank-you notes and costs $26.60. If x represents the cost of a birthday card and y represents the cost of a thank-you note, how much does each birthday card cost?

What is the solution to the system of equations?

Which first step for solving the given system using substitution results in an equation without fractions?

Which first step for solving the given system using substitution results in an equation without fractions?

Lucia tried to solve the system below. Lucia’s Work What error did Lucia make?

Which statement describes the system of equations?

A store sells the basic model of a phone for $60 and the upgraded model for $200. It costs the store $10 to buy each basic model and $50 to buy each upgraded model from the phone company. On Tuesday, the store has $1,800 in sales for these two models, and it paid the phone company $400 to buy these phones. How many upgraded models did the store sell on Tuesday?

Which equation shows the result of substituting and expression for y from the first equation into the second equation for the given system?