abbihager
abbihager abbihager
  • 24-02-2016
  • Mathematics
contestada

im so lost..
5n + 34 = -2 (1 - 7n )

Respuesta :

cactussky
cactussky cactussky
  • 24-02-2016
first, you can distribute the -2 to 1 - 7n
the new equation is 5n + 34 = -2 + 14n
then, you can add 2 to both sides to cancel the -2 on the right
now you have 5n + 36 = 14n
after this, you add -5n to both sides, again, to cancel the 5n on the left
you are left with 34 = 9n
lastly, divide both sides by 9 to find the value of n, which is 4.
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JJ123x
JJ123x JJ123x
  • 24-02-2016
The answer for 
-3 (4x+3) +4 (6x+1) =43
is 
Ver imagen JJ123x
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