dm403862
dm403862
02-12-2021
Mathematics
contestada
Simplify the expression.
(9n+4) −(−12n −7)
Respuesta :
teamce170
teamce170
02-12-2021
Hi,
(9n + 4) - (-12n - 7)
9n + 4 + 12n + 7
=
2
1
n
+
1
1
✅
(◠‿◕)
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4x + 3y = 17 and 5x – 3y = 1 –5m + 6n = –8 and –5m + 8n = 6 2x – 7y = –9 and 6x + 7y = 57 5p – 4q = 3 and –5p – 4q = 13 6c + d = 12 and c – d = 2
Show the work please
