I know how to do elimination but I forgot what to do when one equation doesn't have a number next to the y. Elimination Using Addition and Subtraction. When the signs are opposite you add. When they're the same you subtract.
6x + y = 9
-6x + 3y = 15

Question

I know how to do elimination but I forgot what to do when one equation doesn't have a number next to the y. Elimination Using Addition and Subtraction. When the signs are opposite you add. When they're the same you subtract.
6x + y = 9
-6x + 3y = 15

anonymous · Answer

if nothing in front of variable, implied that a one is there

so what do you think y = in your problem

anonymous · Answer

So put 1y?

anonymous · Answer

yes

anonymous · Answer

so what did you get for your answer?

anonymous · Answer

I just worked it out but I can't get an answer.

anonymous · Answer

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