12X + 5 = 9X - 26
subtract 9X from each side
12X - 9X + 5 = 9X - 9X - 26
3X + 5 = - 26
subtract 5 from each side
3X + 5 - 5 = - 26 - 5
3X = - 31
divide both sides integers by 3
(3/3)X = - 31/3
X = - 31/3
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12 + 5 equals...
In roman numerals, XII equals 12, and V equals 5. So as 12 plus 5 equals 17, XII plus V equals 17:) hope it helpedImproved Answer:XII+V = XVII (12+5 = 17)
no because -12 - +5 changes to -12 + -5 which equals -17
12
x=7