5+x+4x=40 solve for x

Please HELP! It is almost 9:00 and I have until 9:30 to get this done!

I also have:

7x+6+x=54

17=6x+x+10

43=4x+3x+1

6x+3+2x=35

I need to show all my work for credit! PLEASE HELP!

Oh and these:

7x+4=49+2x

3x+2=6x=34

Please HELP!

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2 Answers

5+x+4x=40         first, minus 5 from 40 which is 35. now the question is  x+4x=35          add 4x+x to equal 5x.  Now the question is 5x=35                              divide 35 by 5 for x, which is x=7
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