monicavarela91905 monicavarela91905

02-05-2019
Mathematics

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-6n+21 =12n-15 I need help solving the equation

Respuesta :

jimrgrant1 jimrgrant1

02-05-2019

Answer:

n = 2

Step-by-step explanation:

Given

- 6n + 21 = 12n - 15 ( collect terms in n on the left and numbers on the right )

Subtract 12n from both sides

- 18n + 21 = - 15 ( subtract 21 from both sides )

- 18n = - 36 ( divide both sides by - 18 )

n = 2

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