SOLUTION: If (3, b) is a solution of the equation 3x - 2y = 1, what is b? A. b = 4 B. b = -4 C. b = 11/3 D. None of these E. b = 23/3

Algebra ->  Finance -> SOLUTION: If (3, b) is a solution of the equation 3x - 2y = 1, what is b? A. b = 4 B. b = -4 C. b = 11/3 D. None of these E. b = 23/3      Log On


   



Question 1122154: If (3, b) is a solution of the equation 3x - 2y = 1, what is b?
A. b = 4
B. b = -4
C. b = 11/3
D. None of these
E. b = 23/3

Found 2 solutions by Alex.33, josgarithmetic:
Answer by Alex.33(110) About Me  (Show Source):
You can put this solution on YOUR website!
Since (3,b) is a solution, The pair [x=3 y=b]should satisfy the original equation. So put them in.
9-2b=1 b=4. Choose A.

Answer by josgarithmetic(39630) About Me  (Show Source):
You can put this solution on YOUR website!
Solve for y.
Substitute 3 or x.