momothemonkey
momothemonkey momothemonkey
  • 12-05-2018
  • Mathematics
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AnimeBrainly
AnimeBrainly AnimeBrainly
  • 12-05-2018
Set the two expressions equal to each other.

7x + 3 = 9x

Simplify, isolate the x, subtract 7x from both sides

7x (-7x) + 3 = 9x (-7x)
3 = 2x

Set the equation = 0, subtract 3 from both sides

3 (-3) = 2x (-3)

0 = 2x - 3

2x - 3, or D, should be your answer

hope this helps
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