Michaeltoxic249 Michaeltoxic249
  • 01-12-2020
  • Mathematics
contestada

Find each difference


(- 13n ) - ( 17 - 5n)​

Respuesta :

alfierigabby alfierigabby
  • 01-12-2020
Simplifying
(-13n) + -1(17 + -5n) = 0
(-13n) + (17 * -1 + -5n * -1) = 0
(-13n) + (-17 + 5n) = 0

Reorder the terms:
-17 + (-13n) + 5n = 0

Combine like terms: (-13n) + 5n = -8n
-17 + -8n = 0

Solving
-17 + -8n = 0

Solving for variable 'n'.

Move all terms containing n to the left, all other terms to the right.

Add '17' to each side of the equation.
-17 + 17 + -8n = 0 + 17

Combine like terms: -17 + 17 = 0
0 + -8n = 0 + 17
-8n = 0 + 17

Combine like terms: 0 + 17 = 17
-8n = 17

Divide each side by '-8'.
n = -2.125

Simplifying
n = -2.125
Answer Link

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