Question 160089
plaese help me solve 

{{{c+2d=-2}}}
{{{-2c-5d=3}}}
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Multiply eqn 1 by 2
 2c + 4d = -4
-2c - 5d = 3
Add the 2 eqns.
0c - d = -1
d = 1
Sub d into either eqn
c + 2*1 = -2
c = -4