arosa7281
arosa7281
18-09-2016
Mathematics
contestada
9(n+3)=7n-3 Help Me Find "X"
Respuesta :
galoctopus
galoctopus
18-09-2016
9(n+3)=7n-3
1) distribute 9 into (n+3)
9n+27=7n-3
2) subtract 7n on both sides
2n+27=-3
3) subtract 27 on both sides
2n=-30
4) divide by 2
n=-15
Answer Link
samquexn
samquexn
18-09-2016
9n+27= 7n-3
9n-7n=-3 -27
2n=-3-27
2n= -30
n=-30÷2
n= -15
Answer Link
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