SOLUTION: Please help me solve this question: d-3c=-3 4d-3c=-3. Using either the elimination or substitution method.

Question 696797: Please help me solve this question: d-3c=-3
4d-3c=-3. Using either the elimination or substitution method.
Answer by mathbird(71) (Show Source): You can put this solution on YOUR website!
d-3c=-3
4d-3c=-3. Using the elimination method.
subtracting the both equations we get
-3d=0
d=0
put value of d in any equation
d-3c=-3
(0)-3c=-3
-3c=-3
c=1
for checking put back the values of c & d in any equation then left hand side will be equal to right hand side
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