annawairbellly annawairbellly

20-09-2017
Mathematics

contestada

What does n equal in this equation? n-2=(10n+4)/2 (btw 10n+4 over 2)

Respuesta :

JustTasnim JustTasnim

20-09-2017

n-2=(10n+4)/2
Multiply each side by 2
2(n-2)=10n+4
Expand the brackets
2n-4=10n+4
Subtract 4 from each side
2n-8=10n
Subtract 2n from each side
-8=8n
Divide each side by 8
-1=n

Hope this helped

Answer Link

Otras preguntas

What is the element Ar as in the periodic table

Please help 8×2+(-3)-2×5

What is the reason for the tragic end of the hero Beowulf? A. envy B. hubris C. foolishness D. desertion E. old age

what is the universe best classified as

On a typical day, a jewelry store sells 8 bracelets. The data show the number of bracelets sold on each day for four weeks at a jewelry store.Week 1: 7, 8, 7, 9

I organized an ocean cleanup and we collected a total of 25 pounds of garbage. 16 pounds of that garbage consisted of plastic. what percentage of the garbage wa

If f '(a) is defined, then f (x) is continuous at x = a. True or false

What are Penduoums no brainy

50-100 points will be given to the one who helps me with my debate tommorow . the topic is - why giving up is better than letting go. ( and state the pros of gi

Four times a number -5 is the same as twice the number +3