glendake
glendake glendake
  • 04-08-2019
  • Mathematics
contestada

find r

3(r - 7 ) = 4(2 - 2r) + 4

Respuesta :

jdoe0001 jdoe0001
  • 04-08-2019

[tex]\bf 3(r-7)=4(2-2r)+4\implies \stackrel{\textit{distributing}}{3r-21=8-8r+4}\implies 3r-21=12-8r \\\\\\ 11r-21=12\implies 11r=33\implies r=\cfrac{33}{11}\implies r=3[/tex]

Answer Link

Otras preguntas

HELP ASAP PLEASE!!! WILL MARK BRAINLIEST All of the statements below describe how reproductive isolation drives speciation except
the length of a rectangle is 5 in. less than 3 times its width. If the perimeter of the rectangle is 54 in. find the length and width.
write the percent as a decimal 45.2% A.45.2 B.0.452 C.452 D.4.52 order from least to greatest 0.29,2/7,25%,0.2 A.25%,0.2,2/7,0.29 B.0.2,25%,2/7,0.29 C.0.2
Factor x3-2x2-9x+18 completely if(x+3) is a factor
this movie poster contains the movie title the actors names and?A. a taglineB. the characters C. a quotation D. the reviews
if an atom loses or gains an electron, it becomes a charged particle or ...
- 4B - 2C when b equals 2.5 + C equals 3
What is the purpose of imagery in poetry?
Jackson pays $18 per month for his phone service, plus $0.07 for each long distance minute used. Which of the following correctly describes the y-intercept?
PLEASE help me with this question