Jawaban:
[tex]12.)(3x - y - 5) - (5x + 2y - 2 \\ 3x - y - 5 - 5x - 2y + 2 \\ 3x - 5x - y - 2y - 5 + 2 \\ - 2x - 3y - 3[/tex]
[tex]11.)3ab - 5c + 7 + 3ab - 7c + 3 \\ 3ab + 3ab - 5c - 7c + 7 + 3 \\ 6ab - 12c + 10[/tex]
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Jawaban:
[tex]12.)(3x - y - 5) - (5x + 2y - 2 \\ 3x - y - 5 - 5x - 2y + 2 \\ 3x - 5x - y - 2y - 5 + 2 \\ - 2x - 3y - 3[/tex]
[tex]11.)3ab - 5c + 7 + 3ab - 7c + 3 \\ 3ab + 3ab - 5c - 7c + 7 + 3 \\ 6ab - 12c + 10[/tex]
follow akun saya
semoga membantu ^-^