Respuesta:
Asi nomas
Explicación paso a paso:
x - 5 = 10
x - 5 + 5 = 10 + 5
x = 15
x(8+2) = 30
10x = 30
x = 30/10
x = 3
6(x+2x) = 36
18x = 36
x = 36/18
x = 2
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Respuesta:
Asi nomas
Explicación paso a paso:
x - 5 = 10
x - 5 + 5 = 10 + 5
x = 15
x(8+2) = 30
10x = 30
x = 30/10
x = 3
6(x+2x) = 36
18x = 36
x = 36/18
x = 2