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

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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