SOLUTION: how can i solve this equation using substitution method?
x+y=12
y=x+3
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Question 1068314: how can i solve this equation using substitution method?
x+y=12
y=x+3
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
Substitute the second equation into the first,
Now solve for x.
THen go back and solve for y with either equation.
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