Respuesta:
20
Explicación paso a paso:
7x + 43= 2x + 193
7x - 2x = 193 - 43
5x = 150
x = 150/5
x = 30
Entonces : x - 10
= 30 - 10
= 20
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Respuesta:
20
Explicación paso a paso:
7x + 43= 2x + 193
7x - 2x = 193 - 43
5x = 150
x = 150/5
x = 30
Entonces : x - 10
= 30 - 10
= 20