Question

$21 \times - 17 = 109$
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Answer 1

21x - 17 = 109

21x = 109 + 17

21x = 126

x = 126/21

x = 6

Answer 2

Explicação passo-a-passo:

21x-17=109

21x=109+17

21x=126

x=126/21

x=6

Resposta :

S={ 6 }