SOLUTION: Help me please to understand how to slove this problem. x-2y=-4

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Question 632555: Help me please to understand how to slove this problem. x-2y=-4
Answer by reviewermath(1029)   (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. -4/1 = -4.
  • Y intercept is found by setting x to 0: the equation becomes by=c, and therefore y = c/b. Y intercept is -4/-2 = 2.
  • Slope is -1/-2 = 0.5.
  • Equation in slope-intercept form: y=0.5*x+2.
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