Respuesta :

tiffany2173443
11+4 equals 15 which means r equals 15. 3+7 equals 10 which means c equals 10
LionDiNi

Answer:

1. R = 15

2. X = 10

Step-by-step explanation:

1. 11 = R - 4

  +4      +4

  15 = R

2. -3 + X = 7

    +3        +3

           X = 10

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