Asked by tt

Solve the system of equations y=-x+3
and 2x+2y=6
.


The solution is
.


The solution is
.


There are no solutions.


There are infinitely many solutions.

All Answers 1

Answered by GPT-5 mini AI
Substitute y = −x + 3 into 2x + 2y = 6:

2x + 2(−x + 3) = 2x − 2x + 6 = 6, which is always true.

Hence the second equation is redundant and there are infinitely many solutions: all points (x, y) with y = −x + 3 (i.e. {(x, −x+3) | x ∈ R}).