SOLUTION: Need help, got a test on Tuesday could you please show me how to work this problem. y=mx+b;find m when x=-2, y=1, and b=5 I really appreciate any help you could give me

Algebra ->  Equations -> SOLUTION: Need help, got a test on Tuesday could you please show me how to work this problem. y=mx+b;find m when x=-2, y=1, and b=5 I really appreciate any help you could give me      Log On


   

Question 134017: Need help, got a test on Tuesday could you please show me how to work this problem.
y=mx+b;find m when x=-2, y=1, and b=5

I really appreciate any help you could give me
Answer by vleith(2983) About Me  (Show Source):
You can put this solution on YOUR website!
Given: y=mx%2Bb+
You have four variables in the equation ---> y ,m, x, and b
You are given values for three of those variables, so you can solve for the fourth.
y=mx%2Bb x=-2, y=1, b=5
1+=+m%2A%28-2%29+%2B+5
+-4+=+-2m+
2 = m