11m + 13 = m + 23 10m + 13 = 23 10m = 10 m = 1
83. If your can't use a calculator use your fingers, or just do it in your head!
5
273 13+8 = 21 and 13*21 = 273
-23
11m + 13 = m + 23 10m + 13 = 23 10m = 10 m = 1
5 + n = 23 n = 18 18 - 5 = 13 ■
98
83. If your can't use a calculator use your fingers, or just do it in your head!
5
23 plus 7684235 equals 7684258.
13 + 23 + 12 + 7 = 55
23 plus 69 plus 13 plus 3 percent of 100 percent = 108 = 23 + 69 + 13 + 3 * 100% = 23 + 69 + 13 + 3 = 108
273 13+8 = 21 and 13*21 = 273
It equals 435
8 plus 15 = 23
-23