SOLUTION: using substitution
2x-y=0
X+3y=-56
Algebra.Com
Question 181569: using substitution
2x-y=0
X+3y=-56
Answer by vleith(2983) (Show Source): You can put this solution on YOUR website!
using the value for y from above
Now use this value for x to solve for y
Check your answer
Does
???
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