Question

Me ajudem nestas contas :
1) 18n-10=3n
2) 2a+5=20-8a
3) x+10=-11y+60
Coloquem so a resposta genti

Answer 1

Oi Tiffany

1) 18n - 10 = 3n

18n - 3n = 10
15n = 10

n = 10/15 = 2/3 

2) 2a + 5 = 20 - 8a

2a + 8a = 20 - 5
10a = 15

a = 15/10 = 3/2 

3) x + 10 = -11y + 60

x + 11y = 60 - 10
x + 11y = 50 

.