Respuesta :

Answer:

x=7

Step-by-step explanation:

sriddlp942

Answer:

7

Step-by-step explanation:

well

8 x 7 is 56.

3 x 7 is 21

3 x 7 again is 21

21 + 21 is 42

56 + 42 is 98

- x or -7

98 - 7 is 91. it’s 7

x = 7

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