what is x divided by 2 plus 5 is congruent to 3 times x subtract 10

Question

x÷2–5≅3×—10

Answer 1

Hello Juliet,

 

I think you made a mistake translating the problem into algebra>it says "plus 5" , but you wrote -5.  Don't worry, the steps will be the same.  The answer, of course, will be different.

 

I am going to make x/2 into .5x

.5x-5 = 3x-10        Subtract .5x from both sides

-.5x       -.5x

    -5  = 2.5 x -10   Add 10 to both sides

   +10            +10

     5=  2.5 x           Divide by 2.5 on both sides

     2=x      

 

Hopefully this will help and thanks for posting

 

D. Y. Taylor

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