Penelitian ini bertujuan untuk menganalisis kesulitan peserta didik dalam menyelesaikan soal pada materi Sistem Persamaan Linear Dua Variabel (SPLDV). Subjek penelitian ini adalah 15 orang peserta didik kelas VIII MTs Atsauri Foundation Kecamatan Sindangkerta Kabupaten Bandung Barat. Jenis penelitian ini adalah deskriptif kualitatif dengan desain studi kasus. Pengambilan data diperoleh dengan memberikan tes berbentuk uraian tentang materi SPLDV sebanyak tiga soal yang kemudian dianalisis kesulitan yang dihadapi oleh peserta didik. Berdasarkan hasil penelitian disimpulkan bahwa peserta didik masih mengalami kesulitan menyelesaikan soal SPLDV, terlihat dari hasil tes yang didapatkan masih kurang maksimal. Hal itu disebabkan karena peserta didik masih mengalami kesulitan memahami konsep SPLDV, mengubah soal cerita kedalam bentuk matematika, menggunakan metode-metode dalam menentukan himpunan penyelesaian SPLDV dan kesulitan dalam memahami materi pendukung.

This study aims to determine the influence of the physical work environment and nonphysical work environment on employee work stress at PT Citra Abadi Sejati. This research was conducted at PT Citra Abadi Sejati in a population of 550 employees. A sample of 85 people was taken from stratified sampling techniques. The data collection method uses observation and dissemination of questionnaires. Data analysis method with validity test, reliability test, model test, and classical assumption test. The results showed that the physical work environment has a positive and significant influence on employee work stress. Likewise, the nonphysical work environment has a positive and significant influence on the work stress of PT Citra Abadi Sejati employees.

This study aims to determine and analyze the mechanism of inheritance distribution if the wife of the heir is more than one in terms of Islamic law. The research approach method used in the preparation of this thesis is a normative juridical research method. This research specification uses descriptive analysis. The type of data used is secondary data from legal materials in the form of the Qur'an and Hadith, the Civil Code, the Marriage Law, and the Compilation of Islamic Law. Collecting data by studying documents or library materials that are collected and processed systematically. The results of this study indicate that: first, the acquisition of inheritance rights for wives or wives is contained in the Qur'an letter An-Nisa' verse 12 and in the Compilation of Islamic Law Article 180. After removing part of the joint property, the rest is distributed to the heirs. If the heir leaves children, the wife's share is 1/8 and if the heir does not leave children, the wife's share is of the inheritance. Second: The concept of marriage in Indonesia based on Act No. 16 of 2019 concerning amendments to Act No. 1 of 1974 concerning marriage contains elements of monogamy, but the court can grant permission on fair conditions, the wife's consent, guarantees the necessities of life for the wife and children, and permit has permanent legal force. KHI explains that joint assets in each marriage are separate and independent and are calculated at the time of the second, third or fourth marriage contract.