SOLUTION: solve 2y-x=5 if the domain is {-3,-1,5,9}

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Question 40349: solve 2y-x=5 if the domain is {-3,-1,5,9}
Answer by Nate(3500)   (Show Source): You can put this solution on YOUR website!
Solved by pluggable solver: DESCRIBE a linear EQUATION: slope, intercepts, etc
Equation describes a sloping line. For any
equation ax+by+c = 0, slope is .
  • X intercept is found by setting y to 0: ax+by=c becomes ax=c. that means that x = c/a. 5/-1 = -5.
  • Y intercept is found by setting x to 0: the equation becomes by=c, and therefore y = c/b. Y intercept is 5/2 = 2.5.
  • Slope is --1/2 = 0.5.
  • Equation in slope-intercept form: y=0.5*x+2.5.

Just choose the x-values to determine the y-values.
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