lucyramirez716 lucyramirez716
  • 25-05-2018
  • Mathematics
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solve the system of equations by substitution

solve the system of equations by substitution class=

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perixwinkle
perixwinkle perixwinkle
  • 25-05-2018
We have y=2x and y=x+2
They both equal y, so substitute the first equation for y in the second equation.
2x=x+2
Let’s get x to one side. Let’s subtract x from both sides.
X=2
Since x=2, just plug in 2 for x.
2+2=4
So,
X=2
Y=4















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