SOLUTION: y=2x+3 2x+3y=10 solve using substition method

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Question 317252: y=2x+3
2x+3y=10
solve using substition method
Answer by texttutoring(324) About Me  (Show Source):
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y=2x+3
2x+3y=10

Take the y=2x+3 and put it into the second equation where y is:
2x +3(2x+3) = 10
2x + 6x + 9 = 10
8x + 9 = 10
8x = 1
x = 1/8