dmezzullo
  • dmezzullo
Solve for x: the quantity of x plus 20 over 2 = 3x x = 10 x = 4 x = −14 x = −17
Mathematics
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SOLVED
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schrodinger
  • schrodinger
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dmezzullo
  • dmezzullo
@sue101 @rduncan16 @mikala1 @hero @Ledah @SUpAmArIo @jazy @jhonyy9
anonymous
  • anonymous
ur so needy danny :P
anonymous
  • anonymous
(x + 20)/2 = 3x x + 20 = 3x * 2 = 6x x - 6x = -20 -5x = -20 x = -20/-5 = 4 x = 4

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More answers

anonymous
  • anonymous
\[\frac{ x + 20 }{ 2 } = 3x\]Multiply both sides by 2.\[\frac{ x + 20 }{ 2 }(2) = 3x(2)\]\[x + 20 = 6x\]Combine like terms and solve for x.
jhonyy9
  • jhonyy9
cross multiplie
anonymous
  • anonymous
x + 20/2 = 3x multiple both sides by 2 to get rid of the 2 2(x+20/2) = 3x(2) the 2s cancel each other out on the left side x+20=6x you want to get the x's on the same side so subtract x from each side 20=5x divide both sides by 5 to get x on its own 20/5 = 5x/5 4=x
jhonyy9
  • jhonyy9
what will get than ?
dmezzullo
  • dmezzullo
cse im so stupid @sue101
anonymous
  • anonymous
opp i put the answer on accsident
dmezzullo
  • dmezzullo
4x
dmezzullo
  • dmezzullo
cse 20/5=4
anonymous
  • anonymous
yes thats right
anonymous
  • anonymous
4
anonymous
  • anonymous
Yes, x = 4.

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