eugeneeunarlie
eugeneeunarlie
21-06-2017
Mathematics
contestada
solve for ;x+20/2=3x
Respuesta :
flossyraven
flossyraven
21-06-2017
x in (-oo:+oo)
(x+20)/2 = 3*x // - 3*x
(x+20)/2-(3*x) = 0
(x+20)/2-3*x = 0
(x+20)/2+(-3*2*x)/2 = 0
x-3*2*x+20 = 0
20-5*x = 0
(20-5*x)/2 = 0
(20-5*x)/2 = 0 // * 2
20-5*x = 0
20-5*x = 0 // - 20
-5*x = -20 // : -5
x = -20/(-5)
x = 4 so x= 4
Answer Link
VER TODAS LAS RESPUESTAS ( 57+ )
Otras preguntas
The math book was originally $10 the store placed it on sale for $5 find percent of decrease
Complete each analogy. Drag and drop the words into the correct locations. (2 points) floods destruction wall trunk: tree fly soar sprint :: tornado :: dash ::
"Cherry-picking" refers to selecting only the information that agrees with your opinion while ignoring any data that contradicts it. Another term for this we le
What was the debate over currency and how did it affect the Republicans?
Plot the vertex of f(x) = (x − 2)2 + 2. PLEASE HELP ME IM UPSET
one antonym for air pollution
Use any method to solve the equation. If necessary, round to the nearest hundredth. 8x2 + 18x − 24 = 0 0.94, –3.19 1.88, –6.38 2.07, –2.07 –0.94, 3.19
In order to have a government that adequately represents the people, citizens of the United States must exercise their right to A. bear arms. B. assemble.
What is the most likely meaning of asphyxiation in the following sentence? When Donald choked on a piece of apple, he almost died of asphyxiation. A food poison
which of the following terms are undefined
