x+15
depends on the value of x
OK. Then let's solve for ' r '. That means you have to come up with an equation that says r = everything else.
Step #1:
Write the equation you're given: <span>S = L (1 - r)
Let's divide each side by ' L ': S/L = 1 - r
Subtract 1 from each side : S/L - 1 = -r
Multiply each side by -1 : <em> 1 - S/L = r</em>
and there you have it.
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You would have to solve for x the plug in the answer for c into the next equation to find your answer
Slope of 4 means you add 4 to the y and 1 to the x so the answer is (-1,9)
$15 that the answer. Your welcome