Which best describes the solution for this system?
2x+2y=4
Y=-x+2

A. There is one unique solution
B. There is not a solution
C. There are an infinite number of solutions
D. The solution is the origin

Question

Which best describes the solution for this system?
2x+2y=4
Y=-x+2

A. There is one unique solution
B. There is not a solution
C. There are an infinite number of solutions
D. The solution is the origin

homeworksucks · Answer

2x+2y=4
y=-x+2

substituting y=-x+2 into the equation, we get

2x+2(-x+2)=4
expanding that
2x+(-2x)+4=4

2x-2x+4=4

WHAAAAA?
 
No solution.