SOLUTION: substitution method x=8y-4 x=4y-4

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Question 1050937: substitution method
x=8y-4
x=4y-4
Answer by MathLover1(20849) About Me  (Show Source):
You can put this solution on YOUR website!
substitution method
x=8y-4....eq.1
x=4y-4....eq.2
------------------------substitute x from eq.1 in eq.2
8y-4=4y-4....eq.2...solve for y
8y-4y=4-4
4y=0
y=0
x=8y-4....eq.1...substitute y
x=8%2A0-4
x=-4
solutions:
x=-4
y=0
or, two lines intersect at point (-4,0)


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