thomaa
thomaa
01-12-2016
Mathematics
contestada
solve for x 5 (x+2)=8x+20
Respuesta :
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
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
VER TODAS LAS RESPUESTAS ( 82+ )
Otras preguntas
How is it possible for Mercury to have frozen ice ?
find an equivalent expression without parentheses -(50x-15y+15)=
Prove that (x^5)-(x^2)+2x +3=0 has at least one real root. Prove that x=cosx has at least one solution.
Marika and Freddy sold 70 homes for Ron Realty. If Marika sold 2.5 times as many homes as Freddy, how many homes did each sell?
Data are drawn from a symmetric and bell shaped distribution with a mean of 120 and a standard deviation of 5. There are 900 observations in the data set. What
Data are drawn from a symmetric and bell shaped distribution with a mean of 120 and a standard deviation of 5. There are 900 observations in the data set. What
Data are drawn from a symmetric and bell shaped distribution with a mean of 120 and a standard deviation of 5. There are 900 observations in the data set. What
how is mass transit in cities a possible solution tk urban air pollution?
How is it possible for Mercury to have frozen ice ?
find an equivalent expression without parentheses -(50x-15y+15)=