theman1717
theman1717 theman1717
  • 03-01-2017
  • Mathematics
contestada

I need help solving and checking algerbryically

I need help solving and checking algerbryically class=

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thimegan thimegan
  • 03-01-2017
x-y=1 --> x=1+y
plug it into the first equation 
3(1+y) + 2y = 8
3+3y+2y=8
5y=5
y=1
plug y into the equation to solve for x
x=1+y
x=1+1
x=2
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