Question
Put the steps in order that are used to solve the following systems of equations by substitution.
−7x−2y=−13
x−2y=11
−7x−2y=−13
x−2y=11
Answers
GPT 3.5
1. Solve one of the equations for one variable in terms of the other variable.
2. Substitute the expression found in step 1 into the other equation.
3. Solve the resulting equation for the remaining variable.
4. Substitute the value found in step 3 back into the original equation to find the value of the first variable.
5. Write the solution as an ordered pair (x, y), where x is the value found in step 4 and y is the value found in step 3.
2. Substitute the expression found in step 1 into the other equation.
3. Solve the resulting equation for the remaining variable.
4. Substitute the value found in step 3 back into the original equation to find the value of the first variable.
5. Write the solution as an ordered pair (x, y), where x is the value found in step 4 and y is the value found in step 3.