SOLUTION: If y=a+bx and y=12-5x have infinite solutions, then what does 'a' equal?

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Question 881725: If y=a+bx and y=12-5x have infinite solutions, then what does 'a' equal?
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
Depends what b equals
if b=-10 then a=24
if b=-5 then a=12
if b=-15 then a=36
if b=10 then a=-24
if b=5 then a=-12
if b=15 then a=-36