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solve the system of linear equations.
y=x-5
y=-2x+1

Sagot :

eu99li

x-5=-2x+1

3x=6

 x=2

 y=x-5=2-5=-3

y=-3

The solution is (2; -3)


dmergenthal
i solved this one by substitution. When you are solving for two equations you can do this.
y=x-5
y=-2x+1
substitute the y in one of the equations to find x 
x-5=-2x+1
x=-2x+6
3x=6
x=2
then you plug in that number to one of the equations
y=2-5
y=-3

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