Jawaban:
[tex]3x - 2 = 7 \\ \\ 3x = 7 + 2 \\ 3x = 9 \\ x = \frac{9}{3} \\ x = 3[/tex]
[tex] {4}^{x + 2y} = 8 \\ {4}^{3 + 2y} = 8 \\ ( { {2}^{2}) }^{3 + 2y} = {2}^{3} \\ {2}^{6 + 4y} = {2}^{3} \\ 6 + 4y = 3 \\ 4y = 3 - 6 \\ 4y = - 3 \\ y = \frac{ - 3}{4} [/tex]
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Jawaban:
[tex]3x - 2 = 7 \\ \\ 3x = 7 + 2 \\ 3x = 9 \\ x = \frac{9}{3} \\ x = 3[/tex]
[tex] {4}^{x + 2y} = 8 \\ {4}^{3 + 2y} = 8 \\ ( { {2}^{2}) }^{3 + 2y} = {2}^{3} \\ {2}^{6 + 4y} = {2}^{3} \\ 6 + 4y = 3 \\ 4y = 3 - 6 \\ 4y = - 3 \\ y = \frac{ - 3}{4} [/tex]