แบบฝึกหัดสมการ

1. 2x+30 = 18+5x

2. 3x-17 = 22

3. 56(x+1)+7x = 45353

4. 3x+5 = 2(2x-7)

5. 43x-281 = 17x+8117

6. 17(3x-4) = 25x+218

7. 13(2x+20) = 6(5x+2)

8. 8(x/2 - 5) = 2x-6

9. 6(2x-5) = 7x+15

10. 11(3x+2) = 35