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shano2000
shano2000 shano2000
  • 14-01-2017
  • Mathematics
Answered

I am having trouble with these equations

y = x – 2

x + y = 10

solve using substitution

Verified Answer :

royalranger
royalranger royalranger
  • 14-01-2017

y = x - 2 
x + y = 10

Substitute "x - 2" for y into the second equation:
x + (x - 2) = 10
2x - 2 = 10
2x = 12
x = 6

Now that we have x, we can plug it into either equation to get the value for y:

6 + y = 10
y = 4

or 

y = 6 - 2
y = 4

Answer Link

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