zapora12
zapora12
13-09-2015
Mathematics
contestada
4(5n-7)=10n+2
9(x+3)=4x-3
Respuesta :
TSO
TSO
13-09-2015
[tex]4(5n-7) = 10n+2\\20n-28=10n+2\\20n=10n+30\\10n=30\\n=3\\\\\\9(x+3)=4x-3\\9x+27=4x-3\\9x=4x-30\\5x=-30\\x=-6[/tex]
Answer Link
VER TODAS LAS RESPUESTAS ( 83+ )
Otras preguntas
On December 15, 2021, Rigsby Sales Co. sold a tract of land that cost $3,800,000 for $5,000,000. Rigsby appropriately uses the installment sales method of accou
Why do you think the state leaders believed they should have written constitutions?
A 5.20 kg bucket of water is accelerated upward by a cord of negligible mass whose breaking strength is 70.0 N. If the bucket starts from rest, what is the mini
The distance between Earth and the sun is roughly 150,000,000 km. If it takes sunlight 8.3 min to reach Earth, what is the speed of light (in m/s)?
Explain how to find the value of the digit 8 in the number 3,684,591.74
Use the definition of scalar product, a with arrow · b with arrow = ab cos θ, and the fact that a with arrow · b with arrow = axbx + ayby + azbz to calculate th
To be useful for phylogenetic reconstruction, a taxonomic character must exhibit which of the following properties? Select all that apply. a.It must vary among
look at the word argue, then see which word goes with it. we can argue all day if you would like. verb noun adjective adverb
How would you reply to someone who argues that we should not worry about the effects that human activities have on natural systems because natural succession wi
In a market economy, supply and demand are important because they a. play a critical role in the allocation of the economy’s scarce resources. b. determine how
