20-02-2018
Mathematics

contestada

How do you solve
10x + 7 = 2(5x - 8) and
3(3b + 1) = 2(7b - 21)?

Respuesta :

nutmeg00jones nutmeg00jones

20-02-2018

10x+7=2(5x-8)
10x+7=10x-16
+16 +16
10x+23=10x
-10x -10x
23=0

3(3b+1)=2(7b-21)
9b+3=14b-42
+42 +42
9b+45=14b
-9b -9b
45=5b
9=b

Answer Link

Otras preguntas

the new total is $60, but the sales tax is 5% of the bill. How much is the sales tax?

Insurance can help you:

Percentage grade averages were taken across all disciplines at a particular university, and the mean average was found to be 83.6 and the standard deviation was

Choose the sentence that uses a comma or commas correctly. A)The factory makes doors windows and blinds. B)Pines, hemlocks, and firs, are all soft woods. C)The

Which of these phrases is most important to creating "The Kidney Thieves" tone? a) Mind contagion b) Flexible and resilient c) Close to home d) Urban legend

Which food tastes acidic? tomato celery radish cucumber

Putting supporting details and evidence into your own words

A string of decorative lights is 28 feet long. The first light on the string is 16 inches from the plug. If the lights on the string are spaced 4 inches apart,

What is the best definition for “connotation”? a cultural stereotype an assumption based on bias a dictionary definition a social, public perceptionWhat i

For the system above, which of the following are solutions?