6*125=6a+6*120 A=??????

Question

6*125=6a+6*120

A=??????

Answer 1

6 * 125 = 6а + 6 * 120
6 * 125 - 6 * 120 = 6а
6 * (125 - 120) = 6 * а
6 * 5 = 6 * а
а = 5
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Проверка: 6 * 125 = 6 * 5 + 6 * 120
                  750 = 30 + 720
                  750 = 750