Răspuns :
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4x - 8 - 3x = -17
x - 8 = -17 => x = -17 + 8 =>x = -9 S={-9}
Verificare: 4 * (-9) -8 - 3 * (-9) = -17=>-36-8+27=-17 (A)
4x - 8 - 3x = -17
x - 8 = -17 => x = -17 + 8 =>x = -9 S={-9}
Verificare: 4 * (-9) -8 - 3 * (-9) = -17=>-36-8+27=-17 (A)