2x=10

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by Kiara Bustoz74 views·Updated Mar 15, 2021
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  1. Hi. My name is Clay, and I'm going to be
  2. teaching you how to do equations.
  3. So yeah, this will be a two part video because
  4. I ran out of text to do the first video.
  5. So, Yeah, our first equation is two X minus three
  6. equals seven.
  7. So what we'll do first is we're going to add
  8. three. So the three will be gone and add three
  9. to this side.
  10. Because what you do to this, how do you actually
  11. do that side?
  12. So this is what it would look like because we
  13. got rid of this three and we had to add
  14. to that, Um yeah, and when you have this, we
  15. need to get it to just X.
  16. So we're gonna divide each side by two.
  17. Because we need to get out of the two here.
  18. And what you decided to do that side?
  19. Like I said earlier.
  20. So now we have X equals five so onto a
  21. trouble, which is longer.
  22. Yeah. So But we have here to explain this.
  23. Four plus X equals two X plus six plus two.
  24. Um, what we're gonna do first here is, um, add
  25. these together to make it eight So it's two plus
  26. two X plus eight and then over here, what we're
  27. gonna do is move this X and add it to
  28. that. So, yeah, it's going to look like the top
  29. one. And the next step we're going to have to
  30. do is minus two X from each other because we
  31. only need one x on one stop.
  32. So when we're going to do that, it's gonna look
  33. like this.
  34. X minus four equals a and you might be like,
  35. Why not one X?
  36. Because we already know there's one X so you don't
  37. need to add the one.
  38. The one um so now we're going to do here
  39. is plus four here, so there's no more for any
  40. more. But that means you have to add four to
  41. this side, too, because what you do to this side,
  42. you have to do that side.
  43. So your answer is X equals 12.
  44. That's problems.
  45. Um, two.
  46. Mm. Wait.
  47. Sorry. Not good at pronunciation.
  48. So just bear with me, um two and then prevented.
  49. Disease X minus three parentheses equals two plus three parentheses.
  50. X minus one.
  51. Um, so our first step would be to get rid
  52. of the parentheses and times two times three and three
  53. times one.
  54. So it's just what didn't look like without the parentheses
  55. and everything was just time are together.
  56. And our next step would be to would be to,
  57. uh, 12 each to get rid of this random, negative
  58. one here.
  59. Mm hmm.
  60. Yeah, or yeah.
  61. Once we loved with that, we have You need to
  62. minus that.
  63. So we have no more two X, so just have
  64. 85. So we're going to get rid of that.
  65. And then over here, we're gonna get left with X.
  66. And yeah, So what we have?
  67. I ran on the frames while recording, so come back
  68. for part two.