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CrazyC246

  • 2 years ago

How do I solve 4(2x + 1)- 3 = -3(x - 4)?

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  1. Romero
    • 2 years ago
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    You have to distribute out what's outside the parentheses first. Do you know how to do that?

  2. CrazyC246
    • 2 years ago
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    No

  3. Calcmathlete
    • 2 years ago
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    Distributive Preoperty: \(a(b + c) = ab + ac\)

  4. CrazyC246
    • 2 years ago
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    Oh wait yes.

  5. Romero
    • 2 years ago
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    That's basically means that the number outside of the parentheses you have to multiply it to everything inside the parentheses

  6. CrazyC246
    • 2 years ago
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    I got 8x+4-3=-3x+12+12, is it right?

  7. Romero
    • 2 years ago
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    8x+4-3=-3x+12 You added an extra 12 on the right hand side

  8. Romero
    • 2 years ago
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    But other than that you are right. Think you can handle it from there?

  9. CrazyC246
    • 2 years ago
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    Oh oops, lol.

  10. CrazyC246
    • 2 years ago
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    Now what do I do?

  11. Romero
    • 2 years ago
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    You want all the x's to be on one side and all the numbers on the other side. Let's start by adding 3x to both sides. This will get rid of the -3x from the right hand side. 8x+4-3=-3x+12 8x+3x+4-3=-3x+3x+12 8x+3x+4-3=12 11x+4-3=12

  12. Romero
    • 2 years ago
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    From there you can simplify it even further by doing this 4-3?

  13. CrazyC246
    • 2 years ago
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    Would the answer be 1, right?

  14. Romero
    • 2 years ago
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    Yeah you are right man Good job!

  15. CrazyC246
    • 2 years ago
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    |dw:1342743342637:dw|

  16. CrazyC246
    • 2 years ago
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    Thank you =)

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