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What are the points of intersection of the lines below 2x-y=10 y=-4x+2

What are the points of intersection of the lines below 2x-y=10 y=-4x+2-example-1
User Asli
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1 Answer

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This is like a system:

2x-y=10
y=-4x+2

Use substitution method:

2x-(-4x+2)=10
y=-4x+2

2x+4x-2=10
y=-4x+2

6x-2=10
y=-4x+2

6x=12
y=-4x+2

x=2
y=-4(2)+2

The points of intersection are: x=2 and y=-6.
User BigSandwich
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