Jawaban:
1.
[tex]3b + 5b = 24 \\ 8b = 24 \\ b = \frac{24}{8} \\ b = 3[/tex]
2.
[tex] - 8y + 12 = 4y \\ - 8y - 4y = - 12 \\ - 12y = - 12 \\ y = \frac{ - 12}{ - 12} \\ y = 1[/tex]
3.
[tex]12 + 3x = 5 + 2x \\ 3x - 2x = 5 - 12 \\ x = - 7[/tex]
4.
[tex]7x = 5x - 12 \\ 7x - 5x = - 12 \\ 2x = - 12 \\ x = \frac{ - 12}{2} \\ x = - 6[/tex]
5.
[tex]2y + 3 = 11 \\ 2y = 11 - 3 \\ 2y = 8 \\ y = \frac{8}{2} \\ y = 4[/tex]
6.
[tex]3(x + 1) = 2(x + 4) \\ 3x + 3 = 2x + 8 \\ 3x - 2x = 8 - 3 \\ x = 5[/tex]
7.
[tex]5(y - 1) = 4y \\ 5y - 5 = 4y \\ 5y - 4y = 5 \\ y = 5[/tex]
8.
[tex]0.3x + 0.6 = 0.5x + 2 \\ 0.3x - 0.5x = 2 - 0.6 \\ - 0.2x = 1.4 \\ x = - \frac{1.4}{0.2} \\ x = - 7[/tex]
9.
[tex] - \frac{1}{5} x + 2 = - 8 \\ - \frac{1}{5} x = - 8 - 2 \\ - \frac{1}{5} x = - 10 \\ x = 10 \times 5 \\ x = 50[/tex]
10.
[tex] \frac{7x + 2}{2} = \frac{2x - 1}{2} \\ 14x + 4 = 4x - 2 \\ 14x - 4x = - 2 - 4 \\ 10x = - 6 \\ x = - \frac{ 6}{10} \\ x = - 0.6[/tex]
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Jawaban:
1.
[tex]3b + 5b = 24 \\ 8b = 24 \\ b = \frac{24}{8} \\ b = 3[/tex]
2.
[tex] - 8y + 12 = 4y \\ - 8y - 4y = - 12 \\ - 12y = - 12 \\ y = \frac{ - 12}{ - 12} \\ y = 1[/tex]
3.
[tex]12 + 3x = 5 + 2x \\ 3x - 2x = 5 - 12 \\ x = - 7[/tex]
4.
[tex]7x = 5x - 12 \\ 7x - 5x = - 12 \\ 2x = - 12 \\ x = \frac{ - 12}{2} \\ x = - 6[/tex]
5.
[tex]2y + 3 = 11 \\ 2y = 11 - 3 \\ 2y = 8 \\ y = \frac{8}{2} \\ y = 4[/tex]
6.
[tex]3(x + 1) = 2(x + 4) \\ 3x + 3 = 2x + 8 \\ 3x - 2x = 8 - 3 \\ x = 5[/tex]
7.
[tex]5(y - 1) = 4y \\ 5y - 5 = 4y \\ 5y - 4y = 5 \\ y = 5[/tex]
8.
[tex]0.3x + 0.6 = 0.5x + 2 \\ 0.3x - 0.5x = 2 - 0.6 \\ - 0.2x = 1.4 \\ x = - \frac{1.4}{0.2} \\ x = - 7[/tex]
9.
[tex] - \frac{1}{5} x + 2 = - 8 \\ - \frac{1}{5} x = - 8 - 2 \\ - \frac{1}{5} x = - 10 \\ x = 10 \times 5 \\ x = 50[/tex]
10.
[tex] \frac{7x + 2}{2} = \frac{2x - 1}{2} \\ 14x + 4 = 4x - 2 \\ 14x - 4x = - 2 - 4 \\ 10x = - 6 \\ x = - \frac{ 6}{10} \\ x = - 0.6[/tex]