Carol H. answered 10/08/17
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Experienced Mathematics Tutor w/ Master's Degree in Math
There is nothing to solve since you have two variables and are only trying to graph a line.
First, divide the entire equation by -4.
x + 4y = -4 To find the intercepts, let x = 0 and solve for y; then let y = 0 and solve for x.
0 + 4y = -4
y = -1 (0,-1)
x + 0 = -4
x = -4 (-4,0)