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Frankie112
Oct 12, 2009, 06:23 PM
I need help with this equation
4x=15+x
5=2y-1

Now I've watched other videos but they all seem to have the same varible like
4x+6y=17
3x-3y=15

But I cannot find how to do that one, because the first equation doesn't have a y vairble and the second equation doesn't have an x varible

ROLCAM
Oct 12, 2009, 07:33 PM
I need help with this equation
4x=15+x
5=2y-1

These are simpler still.

1)
4x = 15 + x
4x - x = 15
3x = 15
x = 5
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2)
5=2y-1
5 + 1 = 2y
2y = 6
y = 3

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