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
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Verified answer
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