Question

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Answer 1

Respuesta:

Explicación paso a paso:

6.

x + 50 = 45 + 60 + 25

x + 50 = 105 + 25

x + 50 = 130

x = 125

7.

130 = 30 + 40 + b + 10

130 = 80 + B

50 = B

9.

x + 20 + 50 = 40 + 60

x + 70 = 100

x = 30

10.

40 + 90 = x + 20 + 100

130 = x + 120

10 = x