3y-7x=35 how do you solve this equation

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  1. profile image52
    crawfishblueposted 8 years ago

    3y-7x=35 how do you solve this equation

  2. averagemom profile image60
    averagemomposted 8 years ago

    In order to answer this question there needs to be a value for either x or y.  Or, you need to ask the whole question asked, there is something missing in this question in order for someone to help come up with an answer.

  3. melpor profile image93
    melporposted 8 years ago

    3y=35 + 7x        (Add 7x to both sides)
    3y=35 + 7           (Let x = 1 to eliminate x from the equation)
    3y= 42                 (Add 35 + 7)
    y= 42/3 = 14     (Divide by 3 on both sides)

    Therefore 3(14) - 7(1) = 35

    1. lkbiswas profile image33
      lkbiswasposted 6 years agoin reply to this

      this math solve are best of the path.

  4. abbiz profile image59
    abbizposted 8 years ago

    Best question and answer, wow!!! thank you for sharing this type of question : )

  5. creation75 profile image59
    creation75posted 8 years ago

    The question is incomplete. You should mention the range of x and y

    3y - 7x = 35
    or, 3y = 35 +7x
    or, y = (35 + 7x)/3

    Now, if x = 0 , y = 35/3
    Now, if x=1, y = 42/3 i.e 14

    Now if x = 2,3, 4.......................... or ........... -3,-2,-1 we will get different value of y.

    There can be infinitely many solution.

  6. countrystarr profile image60
    countrystarrposted 8 years ago

    Actually, the best way to answer this question would be to graph the result.  Just like creation75 said, there are infinite answers. 

    The graph for this solution would be a straight diagonal line extending at both ends to infinity, said line crossing the x-axis at y=0 and x= -5 and it would cross the y axis at x=0 and y=35/3 (or about 11.67).  Every point on that line would be a solution for the equation.

  7. -inferno- profile image54
    -inferno-posted 8 years ago

    This question comes under the concept of Special Eqations.... there are possibly infinite solutions..... You will need another statement or any range in addition to the equation to determine a unique answer for this  kind of special equations....... 

    3y - 7x = 35

    or, 3y = 35 +7x

    or, y = (35 + 7x)/3

    Now, if x = 0 , y = 35/3

    Now, if x=1, y = 42/3 i.e 14

    Now if x = 2,3, 4........ or ...... -3,-2,-1 we will get different value of y.

  8. onlinearticlespk profile image57
    onlinearticlespkposted 7 years ago

    This is incomplete question.There must be atleast two equations to find two unknowns X and Y. OR you must define the range of X or Y.


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