HELP WILL MAKE BRAINLIEST Grayson knows that a line that passes through (-6, 8) has a slope of 1/2. Grayson has decided to find the y-intercept by doing the following. What was Grayson's mistake


y = mx + b

Step 1: -6 = 1/2(8) + b

Step 2: -6 = 4 + b

Step 3: -10 = b