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2Danielarosasgam

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1. 25 - x = 1525 - 15 = x 10 = x 2. 9 - b = - 29 + 2 = b b = 11 3. W - 18 = 5w = 5 + 18 w = 23 4. M + 13 = 1m = 1 - 13 m = - 12 5. 16 - p = 1416 - 14 = p p = 2 6. T + 7 = 0t = 0 - 7 t = - 7 7. 14 - y = 2614 - 26 = y y = - 12 8. X + 7 = - 16x = - 16 - 7 x = - 23 9.

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Resoluciones

1.

25 - x = 1525 - 15 = x 10 = x 2.

9 - b = - 29 + 2 = b b = 11 3.

W - 18 = 5w = 5 + 18 w = 23 4.

M + 13 = 1m = 1 - 13 m = - 12 5.

16 - p = 1416 - 14 = p p = 2 6.

T + 7 = 0t = 0 - 7 t = - 7 7.

14 - y = 2614 - 26 = y y = - 12 8.

X + 7 = - 16x = - 16 - 7 x = - 23 9.

Y + 12 = - 12y = - 12 - 12 y = - 24 10.

40 + a = 2a = 2 - 40 a = - 38 11.

16 - m = 1016 - 10 = m m = 6 12.

X - 7 = - 17x = - 17 + 7 x = - 10 13.

28 - x = 1828 - 18 = x x = 10 14.

19 + x = 29x = 29 - 19 x = 10 15.

106 - x = 23106 - 23 = x x = 83 ESPERO QUE TE SIRVA : D.