Berapakah hasil dari 7²x-¹=49
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7²x⁻¹ = 49
49x⁻¹ = 49
x⁻¹ = 1
x = 1
[answer.2.content]10 Days to a Less Defiant Child, second edition: The Breakthrough Program for Overcoming Yo
10 Days to a Less Defiant Child, second edition: The Breakthrough Program for Overcoming Yo
7²x⁻¹ = 49
49x⁻¹ = 49
x⁻¹ = 1
x = 1
[answer.2.content]