please help me!!!! thank you.

[tex] {2}^{4x} = {8}^{3x - 10} \\ = > {2}^{4x} = {2}^{3(3x - 10)} \\ = > {2}^{4x} = {2}^{9x - 30} \\ cancel \: \: \: out \: \: \: 2 \: \: \: from \: \: \: both \: \: \: sides \\ = > 4x = 9x - 30 \\ = > 9x - 4x = 30 \\ = > 5x = 30 \\ = > x = \frac{30}{5} \\ = > x = 6[/tex]
x = 6
Hope it helps.
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