SOLUTION: substitution method: x=y-1 y=4-2x?

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Question 407001: substitution method:
x=y-1
y=4-2x?
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!


Hi

solving by substitution method:

x=y-1

y=4-2x



y = 4 - 2(y-1)  |substituting for (y-1) for x

  3y = 6

   y = 2 and x = 1  (2-1)



CHECKING our Answer***

  y = 4-2x

  2 = 4  - 2