![jennainglish](/avatars/35343.jpg)
jennainglish
29.08.2020 •
Mathematics
Solve for x. 3(2x - 2) = 21 + 3x
15 5 20 9
Solved
Show answers
More tips
- F Family and Home What s That Noise When a Kettle Boils? The Science of Water and Steam...
- S Style and Beauty Ultimate Guide on How to Care for Suede Shoes...
- S Sport Running: How to Do It Right?...
- F Food and Cooking How to Cook Spaghetti Right – Secrets and Tips...
- P Philosophy Personal attitude towards Confession: how to prepare and undergo the procedure correctly?...
- H Health and Medicine Flu: How to Recognize It by the First Symptoms?...
- F Food and Cooking How to Sober Up Quickly? Important Facts and Tips...
- H Health and Medicine How to Properly Take a Blood Sugar Test?...
- H Health and Medicine Simple and Effective: How to Get Rid of Cracked Heels...
- O Other How to Choose the Best Answer to Your Question on The Grand Question ?...
Answers on questions: Mathematics
- M Mathematics Which set of ordered pairs represents a function? {(2, –2), (1, 5), (-2, 2), (1, –3), (8, –1)} {(-3, –1), (-7, 1), (–6, –1), (-8, 1), (2, –1)} {(1, 8), (5, 2), (2,...
- M Mathematics What is the following quotient 3sqrt8/4sqry6...
- M Mathematics I need help with graphing...
- M Mathematics What is the multi step for the equation -4+7d+13=33...
- C Chemistry In Ernest Rutherford s gold foil experiments, some alpha particles were deflected from their original paths, but most passed through the foil with no deflection. Which...
- S Social Studies The says that, as we take more and more observations at random from any population, the distribution of the mean of these observations eventually gets close to a normal...
Ответ:
x=9
Step-by-step explanation:
3(2x - 2) = 21 + 3x
Divide each side by 3
3/3(2x - 2) = 21/3 + 3x/3
2x-2 = 7+x
Subtract x from each side
2x-2-x = 7+x-x
x-2 = 7
Add 2 to each side
x-2+2 = 7+2
x = 9
Ответ:
The residents of Old Town represent the entire population.
The 100 residents surveyed represent the sample.
Step-by-step explanation:
A population includes all of the elements from a set of data. A sample consists one or more observations drawn from the population.