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4 votes
How to find slope of x + y = 9

User Bcarroll
by
7.0k points

1 Answer

4 votes

Answer:

m = -1

Explanation:

Let's change the equation to y = mx + b

m = the slope

x + y = 9

Subtract x both sides

y = -x + 9

m = -1

So, the slope is -1

User Klim
by
8.5k points