thomaa thomaa
  • 01-12-2016
  • Mathematics
contestada

solve for x 5 (x+2)=8x+20

solve for x 5 x28x20 class=

Respuesta :

xman7373
xman7373 xman7373
  • 01-12-2016
Distribute the 5 outside the parentheses into the parentheses.
5(x+2)=8x+20
5x+10=8x+20
Bring x to one side, other numbers to another
5x+10=8x+20
-8x       -8x
     -10      -10
-3x=10
divide by -3
x=-10/3
approximately -3.33333333
Answer Link
Sorbji
Sorbji Sorbji
  • 01-12-2016
First, Distributive Property

5 (x+2)=8x+20
5x+10=8x+20           *Move constants and variables to opposite sides*
-5x       -5x
-----------------
10=3x+20
-20     -20
-------------
-10=3x
----- -----
3      3

x= -10/3

Answer Link

Otras preguntas

During pregnancy, what amount of alcohol consumption is considered safe?
The party in power usually acts as the "watchdog". true or false
When did Pope Leo III crown Charlemagne as "Emperor of the Romans" in Rome?a. 476 CE b. 800 CE c. 732 CE d.988 CE
Please help I can't seem to find this
What is a difference between the way law looks at forensic evidence and the way scientist look at the same evidence?
What insular communities known for their participants painless and rejection of modern technology exists in the United States? A) Middle eastern Fundamentalists
write this statement as a conditional if-then form. all triangles have three sides.
solve for y when x=15 4x-3y=51
Many serious diseases can be passed from parent to offspring through genes. In which case given below is a recessive disease NOT able to be passed on? A. if one
what allows plants to make sugar from carbon dioxide and water