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lvasquev462

  • 3 years ago

Algebra 1 help

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  1. siegel
    • 3 years ago
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    Ok, what do you need?

  2. lvasquev462
    • 3 years ago
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    ok i have 7x - 9 - 2x = 10 - 3x + 5 Solve

  3. siegel
    • 3 years ago
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    well, you combine like terms, so what are the like terms?

  4. lvasquev462
    • 3 years ago
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    the x es

  5. lvasquev462
    • 3 years ago
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    9x right

  6. siegel
    • 3 years ago
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    well let's look at it (7x)+(- 9)+(- 2x) = (10)+(- 3x)+(5) you know that subtraction is adding a negative, so what is the sum of the like terms on the left side of the equation?

  7. lvasquev462
    • 3 years ago
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    -5x

  8. siegel
    • 3 years ago
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    close, let's just look at the cooeficients, 7+(-2)

  9. lvasquev462
    • 3 years ago
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    5

  10. siegel
    • 3 years ago
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    right, now what are the like terms on the right side of the equation.

  11. lvasquev462
    • 3 years ago
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    nothing just the 3x right

  12. siegel
    • 3 years ago
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    well a like term does not have to contain a variable

  13. siegel
    • 3 years ago
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    so 10 and 5 are like terms because they don't have variables. like terms have the same variable, it could be x or nothing at all. x^2 and x are not like terms, but 4x^2 and 8x^2 are, and 3x and 6x are. at the same time 3 and 9 are like terms in an equation

  14. lvasquev462
    • 3 years ago
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    oh ok

  15. siegel
    • 3 years ago
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    is that too confusing?

  16. lvasquev462
    • 3 years ago
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    yeah kinda but i can go through it

  17. lvasquev462
    • 3 years ago
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    so it will be 15 right

  18. siegel
    • 3 years ago
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    right , so what is the equation with the combined like terms

  19. lvasquev462
    • 3 years ago
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    would it be x= 3

  20. siegel
    • 3 years ago
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    slow down, just put in what you said were like terms

  21. lvasquev462
    • 3 years ago
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    5x and 15

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