EricaforTrev EricaforTrev
  • 23-02-2015
  • Mathematics
contestada

Solve equation (4r-2)-(3r+1)=8

Respuesta :

heyDB
heyDB heyDB
  • 23-02-2015
Simplify each term.
4r−2−3r−1=8

Add 4r and −3r to get r.
r−2−1=8

Add −2 and −1 to get −3.
r−3=8

Since −3 does not contain the variable to solve for, move it to the right-hand side of the equation by adding 3 to both sides.
r=3+8

Add 3 and 8 to get 11.
r=11

r is equal to 11
Answer Link
mathlovingguy
mathlovingguy mathlovingguy
  • 23-02-2015
(4r-2)-(3r+1)=8
4r-2-3r-1=8
r-3=8
r = 8+3
r = 11
Answer Link

Otras preguntas

Which of the following assessment types has the least effect on your overall grade?? A. Portfolio B.Quiz C.Quick Check D.Test
Is a ratio always, sometimes or never a rate? And vice versa....
What is 10 times as many as 100
Which expressions are equivalent to 0.5*m*n*4 2(m+n) 0.5m + 4n None of the above
Which was a major factor in the Dreyfus affair? a. Lack of public support for Alfred Dreyfus b. Anti-Semitism c. Anti-German sentiment d. Unwillingness of t
can someone please explain expanded form with this number 15,409
949 rounded to the nearest ten
what is the value of n? 9×27+2×31-28=
What do scientists assume about the universe
A ball dropped from a bridge takes 3.0 seconds to reach the water below. How far is the bridge from the water?