SOLUTION: solve by substitution x=y-1, and 2x+y=10 write answer as a coordinate using (___,___)
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Question 1029417
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solve by substitution x=y-1, and 2x+y=10 write answer as a coordinate using (___,___)
Answer by
Boreal(15235)
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x=y-1
Therefore, 2x+y=10 is 2(y-1)+y=10
2y-2+y=10 by distribution
3y=12
y=4
x is 3.
Check in other equation
(3,4)
3(2)+4=10, so it works.