Tolong bantuan nya untuk mengerjakan soal matematika pada gambar di bawah. Terimakasih

1. × + 7 = 2
× = 2 - 7
× = -5

2. 4 - × = 3
-× = 3 - 4
-× = -1
× = 1

3. 3× + 2 = 5
3× = 5-2
3× = 3
× = 3:3 = 1

4. 2× - 1 = 7
2× = 7+1 = 8
× = 8:2 = 4

5. 8 - 5× = 3
-5× = 3-8 = -5
× = -5 : -5
× = 1