Question

tìm x: (1/2 - 1/3) . 6^x + 6^x+2 = 6^10 + 6^7

lm ơn giúp mifh vs ạ

Answer 1

\(\Leftrightarrow6^x\cdot\dfrac{1}{6}+6^x\cdot36=6^7\cdot217\)

\(\Leftrightarrow6^x=1679616\)

hay x=8