Slope Intercept Form Equation: mx + b = y
Use the slope, like 3/2 or 4, but first plot the y-intercept, like 3, and then put the equation to these: y = 3/2x + 4 or y = 4x + 4. Plot the y-intercept on the y- axis (the vertical line). If you were to use my examples, you would plot the y-intercept by (0,4). Then if you used my first example equation, move 2 to the right of the plotted coordinates and then up by 3. If you were to use my second equation, however, then you would move to the left of the same plotted coordinates, (0,4), 1 to the right and then up 4.
sea level is land level to he sea as you go in elevation you get higher from the sea level
First you need to rearrange the equation so both numbers are on the same side :
x - 2y = -1
3x - 3y = 9
then times to mark out x or y
3x -6y = -3
3x -3y = 9
then minus them
-3y = -12
y = 4 x = 7
Answer:
1260
Step-by-step explanation:
I'm not 100% sure this is correct
