Bagian B
[tex]\begin{aligned} \sf {6}^{4x - 2} &= \sf {6}^{18x + 2} \\ \sf 4x - 2&= \sf 18x + 2 \\ \sf 4x - 18x &= \sf 2 + 2 \\ \sf - 14x&= \sf 4 \\ \sf x&= \sf \frac{4}{ - 14} \\ \sf x&= \sf - \frac{2}{7} \end{aligned}[/tex]
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Bagian C
[tex]\begin{aligned} \sf {32}^{2x - 5} &= \sf {16}^{12x + 7} \\ \sf {(2}^{5} {)}^{2x - 5} &= \sf { {(2}^{4} )}^{12x + 7} \\ \sf {2}^{10x - 25} &= \sf {2}^{48x + 28} \\ \sf 10x - 25&= \sf 48x + 28 \\ \sf 10x - 48x&= \sf 28 + 25 \\ \sf - 38x&= \sf 53 \\ \sf x &= \sf - \frac{53}{38} \end{aligned}[/tex]
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Bagian B
[tex]\begin{aligned} \sf {6}^{4x - 2} &= \sf {6}^{18x + 2} \\ \sf 4x - 2&= \sf 18x + 2 \\ \sf 4x - 18x &= \sf 2 + 2 \\ \sf - 14x&= \sf 4 \\ \sf x&= \sf \frac{4}{ - 14} \\ \sf x&= \sf - \frac{2}{7} \end{aligned}[/tex]
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Bagian C
[tex]\begin{aligned} \sf {32}^{2x - 5} &= \sf {16}^{12x + 7} \\ \sf {(2}^{5} {)}^{2x - 5} &= \sf { {(2}^{4} )}^{12x + 7} \\ \sf {2}^{10x - 25} &= \sf {2}^{48x + 28} \\ \sf 10x - 25&= \sf 48x + 28 \\ \sf 10x - 48x&= \sf 28 + 25 \\ \sf - 38x&= \sf 53 \\ \sf x &= \sf - \frac{53}{38} \end{aligned}[/tex]