x − t h e n u mb er 2 x = 4 x + 7 ∣ − 4 x − 2 x = 7 ∣ : ( − 2 ) x = − 2 7 x = − 3.5
2 x = 4 x + 7 2 x = − 7 x = − 2 7
The unknown number is found by solving the equation 2 x = 4 x + 7 , which leads to x = − 3.5 .
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Jawaban:A: I think we should increase the membership dues from one dollar to two.B: That might solve some of our financial problems. Why don't you bring that up at the next meeting?→ “Bring up” berarti mengangkat atau membahas suatu topik dalam diskusi.A: Did you hand in your composition?B: No. I didn't like it, so I decided to do it over.→ “Hand in” = menyerahkan tugas, “do over” = mengulang/mengerjakan ulang sesuatu.A: What time did you get up this morning?B: I slept late. I didn't drag myself out of bed until after nine.→ “Get up” = bangun dari tempat tidur.A: What's the baby's name?B: Helen. She was named after her paternal grandmother.→ “Named after” = dinamai sesuai/untuk menghormati seseorang.