Ecuaciones con Suma y Resta

1)  -9 + n = 13 

• n = 4
• n = 22
• n = -22
• n = -4

2)  7 + a = -10

• a = -17
• a = -3
• a = 17
• a = 3

3)   v - 42 = -42

• v = 84
• v = -1
• v = -84
• v = 0

4)    71 + f = 6

• f = 77
• f = -65
• f = 0 
• f = 56

5)   p + 3.1 = 18

• p = 21.1
• p = -1.3
• p = 14.9
• p = 7.9

6)   s - 2 = -6

• s = -8
• s = -4
• s = 8
• s = 2

7)  m + 4.8 = -7.4

• m = -2.6
• m = 3.4
• m = -12.2
• m = 2.6

8)  w - 3.7 = 4.63

• w = 8.33
• w = 0.93
• w = 50.0
• w = 1.13