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Shtirlitz [24]
3 years ago
10

3x – 7(4 + 2x) = –x + 2 Answer?? Idk how to do this

Mathematics
2 answers:
lesantik [10]3 years ago
6 0
<u>3x-7(4+2x)=-x+2</u> first step is to distribute the -7 into the (4+2x) this is done by multiplying the -7 to the 4 and them doing the same for the 2x
<u>3x-28-14x=-x+2</u> next you combine like terms as in all the x's you do this by adding the -14x and the 3x together
<u>-11x-28=-x+2 </u> next you put all the x's on one side
<u>+x         +x</u>
<u>-10x-28=2</u> <u />next you add 28 to both sides to combine your final like terms
      <u>+28 +28 
-10x=30</u> the last step is to divide -10x and 30
<u>/-10x /-10x
</u><u>x=-3</u>
AnnZ [28]3 years ago
5 0
&#10;3x - 7(4 + 2x) =-x + 2\\&#10;3x-28-14x=-x+2\\&#10;-10x=30\\&#10;x=-3
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