Harshaana's answer to Tasha's Secondary 3 A Maths question.

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Harshaana
Harshaana's answer
55 answers (Tutor Details)
1st
For the first part, change everything to the same base which in this case is 4 and by comparing the powers, come up with equation 1.

For the second part, using a substitution of u= 3^x would be useful. But do remember to switch it back since we are solving for x and y, not u.

Hope this helps!