Mathematics, 01.04.2020 03:29, williamsa24mr238org
A soma de um número x com o dobro de um número y é – 7, e a diferença entre o triplo desse número
x e número y é igual a 7. Sendo assim, é correto afirmar que o produto xy é igual a:
a) -15
b) -12
c) -10
d) -4
e) - 2
Answers: 1
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A soma de um número x com o dobro de um número y é – 7, e a diferença entre o triplo desse número
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