1. a) 3x – 2 = 2x – 3 b) 3 – 4y + 24 + 6y = y + 27 + 3y c) 7 – 2x = 22 – 3x d) 8x – 3 = 5x + 12 e) x – 12 + 4x = 25 + 2x – 1 f) x + 2x + 3x – 19 = 3x + 5 g) 11 + 8x – 3 = 5x – 3 + x h) 4 – 2x + 15 = 9x + 4 – 2x

Các câu hỏi liên quan

Làm giúp mk với.Mk chỉ còn 55 điểm à còn hơi ít điểm xin mn giúp nha! Cảm tạ . Julie saw Tim and Matt at the swimming pool. Make past continuous questions to complete the dialogue. Sue: ................................................................. when you saw them? (what | Tim and Matt | do) Julie: Tim was swimming in the pool, but I didn't see Matt first. Sue: ................................................... in the pool, too? (you | swim) Julie: No, I wasn't. I was just looking. But then I saw Matt, too. Sue: .......................................... ? (what | he | do) Julie: He was diving in the pool. Sue: Diving, you say. ........................................... to dive? (he | not | just | try) He can't dive. Julie: You're right. He was just trying to do it. And all his friends were watching it. Sue: ............................................ ? (they | laugh) Julie: Of course, they were. Matt was pretty funny. He splashed the water all over the place. Sue: ....................................... faces when he came up to the surface of the pool? (Matt | make) Julie: Yes, he was. He was grinning and making faces at me. Sue: At you? Vow! And what about Tim? ............................................. Matt, too? (he | watch) Julie: Not really. He was looking at me instead. Sue: Oh, no! You're kidding. ......................................... your new swimsuit? (you | wear) Julie: Yes, I was. Why? Sue: Now I know why Tim and Matt were watching you, Julie.