SOLUTION: Are these equations linear and,if not, explain. x/2-y=7 G(X)=2/X-3 X=3+y f(x)=7

Question 99952: Are these equations linear and,if not, explain.
x/2-y=7
G(X)=2/X-3
X=3+y
f(x)=7
Answer by tutorcecilia(2152) (Show Source): You can put this solution on YOUR website!
x/2-y=7 Yes, this is a linear equation. If you were to graph this line, the graph will be a straight line.
Re-writen as y=(1/2)x-7
Graphing:

.
G(X)=2/X-3 No, this is not a linear equation. If you were to graph this line, it would not be a straight line
Graphing:

.
X=3+y Yes, this is a linear equation. If you were to graph this line, the graph will be a straight line.
Re-write as y=x-3

.
f(x)=7 Yes, this is a linear equation. If you were to graph this line, the graph will be a straight line.
Graphing:

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