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Y=4x. 3x-y=1 how to get the y value
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3 votes
Y=4x. 3x-y=1 how to get the y value

User Cclloyd
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1 Answer

6 votes
since y=4x
substitute 4x into the second equation
3x-4x=1
-x=1
x=-1
if x=-1, substitute x=-1 in the equ 1
y=4x
y=4(-1)
y=-4
User FeRtoll
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7.3k points
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