SOLUTION: solve by substitution 3x+2y=7 the second part of the equation is y=x+1 write as a corrdinate

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Question 1029718: solve by substitution 3x+2y=7 the second part of the equation is y=x+1 write as a corrdinate
Answer by rfer(16322) About Me  (Show Source):
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3x+2y=7
y=x+1
3x+2(x+1)=7
3x+2x+2=7
5x=7-2
x=5/5
x=1
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3*1+2y=7
2y=7-3
y=4/2
y=2
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(1,2)