Penjelasan dengan langkah-langkah:
50 - Q = 20 + Q + 100
50 - Q = 120 + Q
-Q - Q = 120 - 50
-2Q = 70
Q = - 70/2
Q = -35
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Penjelasan dengan langkah-langkah:
50 - Q = 20 + Q + 100
50 - Q = 120 + Q
-Q - Q = 120 - 50
-2Q = 70
Q = - 70/2
Q = -35
Penyelesaian :