dessyrob05
01.08.2019 •
Mathematics
Raul used the steps shown below to solve the equation. in which step did raul make a mistake? 5x-3(2x+7)=2x+9 step 1: 5x-6x-21=2x+9 step 2: -11x-21=2x+9 step 3: -12x=30 step 4: x=-30/12 a. step 1 b. step 2 c. step 3 d. step 4
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Ответ:
Ответ:
If all variables represent real numbers you can graph the equation by plotting enough points to recognize a pattern and then connect the points to include all points.
Step-by-step explanation: