Respuesta :
solve for y
y=mx+b
m=slope
b=yinterept
3x+7y=28
minus 3x both sides
7y=-3x+28
divide both sides by 7
y=(-3/7)x+4
y intercept is 4
slope is -3/7
y=mx+b
m=slope
b=yinterept
3x+7y=28
minus 3x both sides
7y=-3x+28
divide both sides by 7
y=(-3/7)x+4
y intercept is 4
slope is -3/7