5n - n = 8 + 4 ie 4n = 12 so n = 3
-3n+5n+4 = -4 2n = -4-4 2n = -8 n = -4
-2n
2 plus 8 equals 8 plus 2 demonstrates the commutative property of addition
273 13+8 = 21 and 13*21 = 273
5n - n = 8 + 4 ie 4n = 12 so n = 3
-3n+5n+4 = -4 2n = -4-4 2n = -8 n = -4
If 5n + 8 = 43, then n = 7
n=8
(-8) + (-8) + (+2) = -8 - 8 + 2 = -14
-2n
Anton Heinrich Springer?
2 plus 2 equals 4plus1 equals 5minus 1 equals 4divided by 2 equals 2plus 8 equals 1010 minus 6 equals 4so it all equals to +_____29so its 29 !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
2 plus 8 equals 8 plus 2 demonstrates the commutative property of addition
273 13+8 = 21 and 13*21 = 273
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