Question

Analyze the solution set of the following system by
following the given steps.
2x + y = 5
3y = 9 - 6x

Answer 1

3y=9-6x
—————
3
y=3-2x

2x+y=5
2x+(3-2x)=5
2x-2x+3=5
x-3=5
+3
x=8