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TIMO 2018 - Senior Secondary (Grades 10-12) - Heat Round - Paper 4 Question 8

TIMO · TIMO 2018 - Senior Secondary (Grades 10-12) - Heat Round - Paper 4

Question 8

For real $x$, solve $5^x+5^{x+1}=2^x+2^{x+1}+2^{x+2}+2^{x+3}$.