69+4т=2т+153 с проверкой.

Question

69+4т=2т+153 с проверкой.

Answer 1

69 + 4t = 2t + 153
69 + 4t - 2t - 153 = 0
2t - 84 = 0
2t = 84
t = 42

Проверка:
69 + 4*42 = 2*42 + 153
237 = 237

Comments

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