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A slope is a measurement of a change in f(x) over the change in x. f(x+x) - f(x) = 32 tells you two things. First it tells you that the change in x is 4, which is pretty straight forward. The difference between x and x+4 is 4. Secondly, it tells you that
the change in f(x) between x and...

The first step to answering this question is to find the slope of the first line. To do that, we need to put it in slope-intercept form.
-7x - 4y = -4 => -4y = 7x - 4 => y = (-7/4)x + 1.
So the slope of this line is -7/4. Perpendicular lines have a negative reciprocal...

Unfortunately, it is impossible to solve this equation. In general, you cannot solve an equation with more than one variable unless you can cancel out variables, leaving only one.
In order to solve this, you would need a system of equations. Since there are 5 variables, you'd need at...