03-02-2017
Mathematics

contestada

What is the value of r in the equation 4r − 8 = 5r + 12?

−20
−1
1
20

Respuesta :

joshlarge4444 joshlarge4444

03-02-2017

The answer is -20. if you move all of the numbers with r to the right and all of the numbers without r to the left, you get r = -20.

Answer Link

Apocrophon Apocrophon

03-02-2017

[tex] 4r-8=5r+12\\-8-12=5r-4r\\-20=r[/tex]
Thus your answer is -20.

Answer Link

Otras preguntas

help asap, i need help click on pic please it’s for grade

Write a function g whose graph is a reflection in the x-axis of the graph of f(x)=|x|−5.

why did Justinian create a new legal code for the byzantine empire

prove CosecA.TanA/ sec^2A = CosA

BASKETBALL After Game 1, Felicia had scored 14 points. After Game 5, she had scored a total of 82 points for the season. After Game 10, she had scored 129 point

x2 when x=5 (I really need help ASAP)

13. What innovation did Jethro Wood add to plows in the 1800s? O A. Iron on the plow blade made it easier to cut through soil. B. Plows made from wood were ligh

PLEASEE HELP ME....

A nail is hit with a hammer. Which type of contact force has been applied? A. spring force B. tension force C. impact force D. friction force

what in conversation