Equations

Hong Kong

Stage 4 - Stage 5

Solve the equation $4^y=64$4`y`=64 for $y$`y`.

Easy

Less than a minute

Solve the equation $4^y=256$4`y`=256 for $y$`y`.

Solve the equation $5^{10x+33}=125$510`x`+33=125 for $x$`x`.

Solve the equation $5^{-3x-1}=3125$5−3`x`−1=3125 for $x$`x`.

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