spidermom spidermom

25-04-2017
Mathematics

contestada

solve x+12/x+4=×/x+8

Respuesta :

lamochick lamochick

25-04-2017

Cross multiply...
Thus,
x(x+4)=(x+12)(x+8)
expand...
x^2+4x=x^2+8x+12x+96
Simply both sides of the equation.
x^2+4x=x^2+20x+96
simply further by adding ask like terms...
-16x=96
Solve for x by making x the subject.
therefore
x=-6.

Answer Link

Otras preguntas

Find the difference between the product of 2.5 and 7.5and the sum of 2.7 and 9.55

Which version of sentence 10 (reproduced below) uses commas correctly? The innkeeper's creepy stuffed dog, strange-smelling tea and claim that she hasn't had a

PLS HELP 90 POINTS A line includes the points (10,6) and (2,7). What is its equation in point-slope form? Use one of the specified points in your equation. Writ

syllables in two / three /four syllables word identification on words (show arrow with pronunciation).

PLEASE ANSWER ASAP! 13 POINTS! On average, there is enough wind in the UK each year to supply all of the UK's electricity needs. Explain why the UK may still ne

Thanks to social media, the happiest creature on earth, an always smiling Australian marsupial called a quokka, has become well known. Suppose that weights o

87 1/2% of .64 ignore the n=5 answer that was for another question PLEASEEE HELP

2. What is the equation of a line that passes through the points (-0.92, 2.49) and (-5.62, 9.76)? Write your answer in point-slope form.

Why have ancient greek works of art and architecture continued to be significant and influential throughout the centuries?

12. Six hundred people will buy tickets at $4 each for a district championship game. For each 20¢ decrease in price, 50 more people will buy tickets. Find the b