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25
X equals 10 XI equals 11 X11 equals 12 X111 equals 13 XIV equals 14 XV equals 15 XVI equals 16 XVII equals 17 XVIII equals 18 I = 1 V= 5 10 = X largest number first / lower numbers second 10 = x 11 = xi 12 = xii 13 = xiii 14 = xiiii 15 = xv 16 = xvi 17 = xvii 18 = xviii
11 x 8 = 88 11 + 8 = 19, not 18
How do you add 2x plus 3y equals 18 in 5x-y equals 11
X - 7 = 11 X = 11+7 therefore X = 18 18 minus 7 equals 11.
-18
-10
-29
18
18 divided by 11 equals 1 with a remainder of 7.
4y + 10 = -18 4y = -28 y = -7
18 + 10 + 28 + 10 = 66