SOLUTION: Please help solve the following problem. Solve each system by graphing. 1. 2x - y = 4 2x - y = 3

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Question 39067: Please help solve the following problem. Solve each system by graphing.
1. 2x - y = 4
2x - y = 3
Answer by Nate(3500)   (Show Source): You can put this solution on YOUR website!
1. 2x - y = 4
2x - y = 3
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. 4/2 = 2.
  • Y intercept is found by setting x to 0: the equation becomes by=c, and therefore y = c/b. Y intercept is 4/-1 = -4.
  • Slope is -2/-1 = 2.
  • Equation in slope-intercept form: y=2*x+-4.

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. 3/2 = 1.5.
  • Y intercept is found by setting x to 0: the equation becomes by=c, and therefore y = c/b. Y intercept is 3/-1 = -3.
  • Slope is -2/-1 = 2.
  • Equation in slope-intercept form: y=2*x+-3.


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