![subject](/tpl/images/cats/User.png)
Mark is solving the following system. Mc025-1. Jpg step 1: he multiplies equation (1) by 7 and adds it to equation (3). Step 2: he multiplies equation (3) by 2 and adds it to equation (2). Which statement explains mark’s mistake? he added equation (3) instead of equation (2) in step 1. He did not multiply equation (3) by the same number as equation (1). He did not eliminate the same variables in steps 1 and 2. He added equation the equations in step instead of subtracting them.
![ansver](/tpl/images/cats/User.png)
Answers: 2
![](/tpl/images/ask_question.png)
![](/tpl/images/ask_question_mob.png)
Other questions on the subject: SAT
![image](/tpl/images/cats/User.png)
![image](/tpl/images/cats/User.png)
SAT, 23.06.2019 02:00, 2021danaejalang
The phrase references available upon request should appear at the __ of your résumé? a. back b. top c. middle d. bottom
Answers: 1
You know the right answer?
Mark is solving the following system. Mc025-1. Jpg step 1: he multiplies equation (1) by 7 and adds...
Questions in other subjects:
![Konu](/tpl/images/cats/istoriya.png)
History, 23.11.2019 10:31
![Konu](/tpl/images/cats/mat.png)
![Konu](/tpl/images/cats/mat.png)
![Konu](/tpl/images/cats/en.png)
![Konu](/tpl/images/cats/mat.png)
Mathematics, 23.11.2019 10:31
![Konu](/tpl/images/cats/mat.png)
Mathematics, 23.11.2019 10:31
![Konu](/tpl/images/cats/mat.png)
![Konu](/tpl/images/cats/mat.png)
Mathematics, 23.11.2019 10:31
![Konu](/tpl/images/cats/mat.png)