Respuesta:
a) n = 28
b) x = 34
c) b = 100
d) y = 3
Explicación paso a paso:
n + 8 = 36
n = 36 - 8
n = 28
2x - 20 = 48
2x = 48 + 20
2x = 68
x = 68/2
x = 34
4b - 100 = 300
4b = 300 + 100
4b = 400
b = 400/4
b = 100
3y + 10 = 40
3y = 40 - 10
3y = 30
y = 30/3
y = 3
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Respuesta:
a) n = 28
b) x = 34
c) b = 100
d) y = 3
Explicación paso a paso:
n + 8 = 36
n = 36 - 8
n = 28
2x - 20 = 48
2x = 48 + 20
2x = 68
x = 68/2
x = 34
4b - 100 = 300
4b = 300 + 100
4b = 400
b = 400/4
b = 100
3y + 10 = 40
3y = 40 - 10
3y = 30
y = 30/3
y = 3