SOLUTION: solve the equation graphically if possible. x=4+y y=3+x thank you kayla

Algebra.Com
Question 39794: solve the equation graphically if possible.
x=4+y
y=3+x
thank you
kayla
Answer by Nate(3500)   (Show Source): You can put this solution on YOUR website!
There are no solutions because the graphed lines do not intersect:

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/-1 = -4.
  • Slope is -1/-1 = 1.
  • Equation in slope-intercept form: y=1*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/-1 = -3.
  • 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 --1/1 = 1.
  • Equation in slope-intercept form: y=1*x+3.
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