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Home Q & A Board Science-Related Homework Help Mathematics
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Datnigerian Datnigerian
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11 years ago
hi i dont know how to do this problem on my homework and i need help the directions are "solve the follow systems of equations using substitution (algebra) show all work"

Y= 2X
Y= -2X - 4
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#1
11 years ago
well if Y= 2x
and Y=-2x-4 so then u kno that y has to values . so u just plug in for Y such tat 2x=-2x-4 then u link like terms and u get 4x=-4 by adding 2x on both sides. then u divide by 4 on both sides so tat u get x by itself such as x=-1 then u got ur answer
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datoledo88datoledo88
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#2
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11 years ago
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