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Systems of equations w/ substitution?
Could someone help me on this problem?
y=6x+4
y=4x2
I know we can pick ethier equation to solve, both I don't get it from there...help? Thanks in advance!!
1 Answer
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 Anonymous9 years agoFavorite Answer
You actually need both equations to solve it, you can subtract the second equation from the first 1
y = 6x + 4

y = 4x  2

0 = 2x + 6
then solve this one to get x,
2x = 6
x = 3
substitute x in either equation to get y
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