Question

Use the information given to write an equation in standard form . slope is 4/7 and (1, 3) is on the line.

If you can do it with point-slope method
____________________________
Why and how does the 4/7 in the equations get turned into 7y - 21 = 4 (x- 3)

Answer 1

4x - 7y = -17

Explanation:

I found y=4/7x+17/7 for the equation, and transferred in standard form, that is 4x-7y=-17