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pup512 pup512
  • 21-03-2016
  • Mathematics
Answered

Can you solve the system of equation using substitution y=x+8

X+y=2

Verified Answer :

physchemcalc physchemcalc
  • 22-03-2016

x + y = 2
Substitute x + 8 into y
x + x + 8 = 2
2x + 8 =2
(Subtract 8 from both sides)
2x = -6
(Divide both sides by 2)
x = -3

Subsitute x = -3 into either equation to find y
x + y = 2
-3 + y = 2
(Add 3 to both sides)
y = 2 + 3
y = 5

Or y can be solved for using:
y = x + 8
y = -3 + 8
y = 5

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