could someone help me with this math problem?

Question

Find the equation of the line through (3,-1) with a slope of 2

 

so i come up -1=3(2)+b

 

but that's all i got could someone help me understand please

Answer 1

Jared, you are on the right track!

 

We need to solve for b...

 

-1 = 3(2) + b

-1 = 6 + b

b = -7

 

Soooo, your equation is y = 2x - 7.

 

Hope this helps!