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Find the xx-intercept of the line 3x+20y=123x + 20y = -12. Write your answer as an integer or as a simplified proper or improper fraction, not as an ordered pair.

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Q. Find the xx-intercept of the line 3x+20y=123x + 20y = -12. Write your answer as an integer or as a simplified proper or improper fraction, not as an ordered pair.
  1. Set yy to 00: To find the x-intercept, we set yy to 00 and solve for xx.\newlineSubstitute 00 for yy in 3x+20y=123x + 20y = -12.\newline3x+20(0)=123x + 20(0) = -12\newline3x=123x = -12
  2. Substitute yy with 00: Now, divide both sides by 33 to solve for xx.3x3=123\frac{3x}{3} = \frac{-12}{3}x=4x = -4

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