25-02-2019
Mathematics

contestada

Solve and check equation 20 = 2r - 3r + 10

Respuesta :

25-02-2019

2r-3r+10=20

Move all terms to the left:

2r-3r+10-(20)=0

add all the numbers together, and all the variables

-1r-10=0

move all terms containing r to the left, all other terms to the right

-r=10

r=10/-1

r=-10

Answer Link

Otras preguntas

2/3x-5=21 (2/3 is a fraction_

what is cognitive overload?

Was there ever an attack on America during WW2 besides Pearl Harbor and the Balloon Bombs?

Bradley bought 14 yellow highlighters. each highlighter cost $0.94.how much did Bradley spend?

Is sum of integers less than or greater than the value of the integers?will this be true no matter which integers you choose?

Did either of the sisters bring (her, their) umbrella?

subtract one- fifth from seven times w

One of the first amendments added after the Bill of Rights protected _____. A) all laws established by individual states B) all laws established by the federa

PLEASE HELPPP Why does legal citizenship matter? What benefits do legal citizens have that others do not?

Sanjay is looking for a new winter coat. Which of the following actions would NOT be part of making a comparison? A) determining the prices of different coats B