Question

if 3/4 +(-3/5)+(-2/3)+5/8+k=-19/120. k=?
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Answer 1

$\frac{3}{4} - \frac{ 3}{5} - \frac{2}{3} + \frac{5}{8} + k = ( \frac{ - 19}{120}) \\ \\ \frac{90 - 72 - 80 + 75 + 120k}{120} = ( \frac{ - 19}{120} ) \\ \\ 13 + 120k = - 19 \\ \\- 32 = 120k \\ \\ 0.266 = k$