shaelyn
shaelyn
16-10-2014
Mathematics
contestada
7(r+1)=5r+59
check solution
Respuesta :
macio06
macio06
16-10-2014
To get solution we want to have only one r on the LHS.
7(r+1)=5r+59
7r+7=5r+59 /-5r (subtract 5r both sides)
7r-5r+7=5r-5r+59
2r+7=59 /-7 (subtract 7 both sides)
2r=59-7
2r=52 /:2 (divide both sides by 2)
r=26 - its the answer
Answer Link
konrad509
konrad509
17-10-2014
[tex]7(r+1)=5r+59\\ 7r+7=5r+59\\ 2r=52\\ r=26[/tex]
Answer Link
VER TODAS LAS RESPUESTAS ( 68+ )
Otras preguntas
A plan of action taken by government to achieve a goal is a
If 2 pounds of strawberries cost $4.50, how much would 3 pounds cost?
Suppose that Sahil knows that 45 people with the ages of 18 to 19 voted. With out using a calculator, he quickly says then 135 people with the ages of 30 to 49
Are pandas really bears?
katy bought 5 packages of stickers with 25 stickers in each packages. she also bought 3 boxes of markers with 12 markers in each box.if she receives 8 stickers
The idea of controlling humans through biological engineering is an example of ? A dystopian An oxymoronic A euphemistic A utopian
An ultrasound wave vibrates 30,000 times per second. what is the frequency
An important characteristic of civilization is economic activity. true or false
Use place value to solve. Pablo has a piece of wire that is 0.08 meters long. Beth has a piece of wire that is ten times as long as Pablo's wire. Li's wire is 1
The spread of urbanization and a sharp rise in what caused problems in many northern cities
