Posted by clary on Sunday, May 27, 2012 at 3:53pm.
Eq1: x - y = -5
Eq2: x + y = 1
Add the Eqs:
2x = -4
X = -2.
In Eq2, substitute -2 for X:
-2 + y = 1
Y = 3.
Solution = (x,y) = (-2,3).
The lines intersect @ only 1 point.Therefore, we have only one solution.
Related Questions
Algebra - solving linear equations w/ substitution - The question in the book ...
Grade 10 Math - Write an equation that forms a system of equations with x + y = ...
Math - Determine if f could be a linear function x 0 1 2 3 4 f(x) 3 5 7 11 15 is...
math help please - Which cannot describe a system of linear equations? no ...
algebra 2 - Classify the system , and determine the number of solutions. This ...
Math - How many solutions does a consistent and dependent system of linear ...
Linear Algebra - For which values of 'a' will the following system have ...
Math: Linear Programming - Describe the linear programming situation for this ...
Algerbra II - Classify the system , and determine the number of solutions. The ...
Linear Algebra - Consider the system x-2y=k-1 4x+(1-k^2)y=8 For what values of k...
For Further Reading
