Question

Solve for n.
21m + 14n=-7
n =

Answer 1

n =
`(-1)/(2)` -
`(3)/(2)`m or n = -0.5 - 1.5m

Explanation:

21m + 14n = -7 (subtract 21m from each side)

14n = -7 - 21m (divide everything by 14)

n =
`(-7)/(14)` -
`(21)/(14)`m

n =
`(-1)/(2)` -
`(3)/(2)`m or n = -0.5 - 1.5m