lilyzxxz
lilyzxxz
18-05-2016
Mathematics
contestada
How do you solve 9(2x --8) =5x-7 ?
Respuesta :
Аноним
Аноним
18-05-2016
9(2x --8) =5x-7
step 1: simplify 18x - 72 = 5x - 7
23x = -79
step 2: solve it x = -3.43
Answer Link
firenlaw
firenlaw
18-05-2016
First use distrib. property of mult.
9(2x-8) = 5x - 7 so
18x - 72 = 5x -7
18x-5x = -7+72
13x = 65
13/13x = 65/13
x = 5
Check Ans: 18*5 -72 = 5*5-7
18 = 18 √
Answer Link
VER TODAS LAS RESPUESTAS ( 13+ )
Otras preguntas
Given cosx=28/53 find cos2x
Yeast is a unicellular fungus that is used by bakers to make bread rise. Under certain conditions, yeast will release ethanol and carbon dioxide through a chemi
How did American colonial politics compare with British politics?
Enzymes decrease the activation energy of a reaction by select answer the reactants and select answer the reaction. After the reaction has finished, the enzyme
What's the equivalent expression for -3x-6+12x-8x+3
Pls can u help it’s my last question on my maths hw
Why is project management valuable to businesses?
it takes 6 workers 8 hours to tile a hall. how long will it takes 4 workers to complete the same task?
mike is looking for icd 10 cm code for morbid obesity from the index mike finds e66 when he verifies the code in the tabular list he finds the that the main ter
Bonjours je n'arrive pas à faire mon exercice, pourriez-vous m'aider svp? Pour tout nombre réel x, on suppose que: f(x) = 4(2x - 3) ² + 15. *Le nombre 15 a-
