22kordiek
22kordiek
01-02-2018
Mathematics
contestada
-3(2n+1)+7=5
pls help homework do tomorrow
Respuesta :
cineusstanleyy
cineusstanleyy
01-02-2018
- 6n - 3 + 7 = 5
- 6n + 4 = 5
- 6n = 1
n = - 1/6
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AnimeBrainly
AnimeBrainly
01-02-2018
Distribute the -3 to both 2n and 1 (inside the parenthesis)
-3 x 2n = -6n
-3 x 1 = -3
-6n - 3 + 7 = 5
simplify
-6n + 4 = 5
isolate the n
-6n + 4 (-4) = 5 (-4)
-6n = 1
-6n(/-6) = 1(/-6)
n = -1/6
hope this helps
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