🟰 Equations

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Problems

3x + 14 = 1x + 32 x =
x + 5 = 15 x =
x + 12 = 16 x =
2x + 7 = 1x + 8 x =
2x = 24 x =
4x + 9 = 1x + 24 x =
x + 7 = 10 x =
5x + 1 = 26 x =
x + 15 = 20 x =
2x + 8 = 1x + 18 x =
2(x − 9) = -14 x =
4x + 13 = 29 x =
4x = 16 x =
2x + 14 = 1x + 16 x =
4(x − 5) = -8 x =
2x + 9 = 1x + 14 x =
4x = 24 x =
5x + 9 = 1x + 29 x =
x + 12 = 22 x =
5x + 12 = 2x + 33 x =

Tip: Do the same on both sides until x is alone.

Answer key

1. x = 9 · 2. x = 10 · 3. x = 4 · 4. x = 1 · 5. x = 12 · 6. x = 5 · 7. x = 3 · 8. x = 5 · 9. x = 5 · 10. x = 10 · 11. x = 2 · 12. x = 4 · 13. x = 4 · 14. x = 2 · 15. x = 3 · 16. x = 5 · 17. x = 6 · 18. x = 5 · 19. x = 10 · 20. x = 7