Question 838767
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Hi,
When Twice The Sum of 5 And An Unknown Number{{{highlight_green(x)}}} Is Subtracted From 8 Times The Unknown Number{{{highlight_green(x)}}}
The Result Is Equal To 4 Times The Sum Of 8 And Twice The Unknown Number{{{highlight_green(x)}}}. 
Find The Number. 
Question states***
 8x - 2(x+5)= 4(8 + 2x)   |Solve for x
  6x - 10 = 32 + 8x
      -42 = 2x
       x = -21, the number
CHECKING our answer***
 {{{168 - 2*-16 = 4*(-34)}}}
     -136 = -136
Wish You the Best in your Studies.