# Hard SAT Math Question 27 — Video Explanation | 1600.now

Source: https://1600.now/hard/27

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27

For the given system of equations, what is the value of $(a-b)$?  
$(c-d) - 3 = -5(a-b)^2 + 12(a-b)$  
$-\frac{(c-d)}{3} + 7 = (a-b)^2 - 8(a-b)$