Seudónimo Seudónimo
  • 02-12-2015
  • Mathematics
contestada

7(m-12)=5m
a) -7
b) 6
c) 42
d) -42

Respuesta :

Exvited
Exvited Exvited
  • 04-01-2016
[tex]7(m-12)=5m \\ \\ 7m - 84 = 5m \\ \\ -84 = 5m - 7m \\ \\ -84 = -2m \\ \\ \frac{-84}{-2} = m \\ \\ \frac{84}{2} = m \\ \\ 42 = m \\ \\ m = 42 \\ \\ Answer: \fbox {m = 42}[/tex]
Answer Link
TSO
TSO TSO
  • 04-01-2016
7(m-12) = 5m

7m - 84 = 5m

2m - 84 = 0

2m = 84

m = 42

The answer is C) 42
Answer Link

Otras preguntas

What does the study of signs and communication refer to?
what level (high, low, or medium) is cumulonimbus at?
What is the best way to check the reliability and validity of a resource? a. Determine the resource's original medium of production. b. Analyze the author’s edu
Which of the following describes American inventor Robert Fulton?
The freedom of working for yourself is necessarily limited by A. the needs of your family and friends. B. your local competitors. C. your own skills and abilit
A ship is traveling around the outside rim of an island surveying a good place to land. If it is 10 miles from a lighthouse at the center of the island and 45°
what is the answer..........
Which statement about King Henry II of England is correct? A. He successfully defended England against invasion by William the Conqueror. B. He installed a n
Multistep Alex needs to varnish the top and the bottom of a dozen rectangular wooden planks. The planks are 8 feet long and 3 feet wide. Each pint of varnish co
What is the ratio of inches to feet on a measuring tape