SOLUTION: Please help me solve this equation: Point (3,5) is a point on the linear equation y = 4 x + b. What is the value of b ?

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Question 173797: Please help me solve this equation: Point (3,5) is a point on the linear equation y = 4 x + b. What is the value of b ?
Found 2 solutions by nerdybill, jojo14344:
Answer by nerdybill(7384) About Me  (Show Source):
You can put this solution on YOUR website!
The problem gives you one point on the line:
(x,y) = (3,5)
.
Simply plug it into the equation and solve for 'b':
y = 4x + b
plugging in our values:
5 = 4(3) + b
5 = 12 + b
-7 = b

Answer by jojo14344(1513) About Me  (Show Source):
You can put this solution on YOUR website!

Thru point (3,5)
Then, 5=4%2A3%2Bb
5=12%2Bb------>b=5-12=highlight%28-7%29, y-intercept
Graph:

Thank you,
Jojo