SOLUTION: Solve the following system of linear equations by graphing. (If the system has no solution, enter NONE for each answer. If the system is dependent, enter INFINITELY MANY for each a

Algebra ->  Quadratic Equations and Parabolas  -> Quadratic Equations Lessons  -> Quadratic Equation Lesson -> SOLUTION: Solve the following system of linear equations by graphing. (If the system has no solution, enter NONE for each answer. If the system is dependent, enter INFINITELY MANY for each a      Log On


   

Question 421034: Solve the following system of linear equations by graphing. (If the system has no solution, enter NONE for each answer. If the system is dependent, enter INFINITELY MANY for each answer.)
x+y=7
y=4
x = ?
y = ?
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
x+y=7
y=4
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y is given, y = 4
Sub for y in the 1st eqn, find x
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We don't need the
x = ?
y = ?
The solution will show if there is none, one or an infinite #.