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OpenStudy (anonymous):
need help with substitutions please! 4x=3y-2 18=3x+y
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OpenStudy (anonymous):
sorry - this shoudnt be here. from second equation y=18-3x substitute this into first equation: 4x = 3(18-3x) -2 solve this for x and plug this value of x into the second equation to get value of y
OpenStudy (anonymous):
So is that now 4x=54-9x-2?
OpenStudy (anonymous):
yes
OpenStudy (anonymous):
Thanks!
OpenStudy (anonymous):
13x = 52 x=4
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OpenStudy (anonymous):
I got it now, I don't know what I was thinkin!
OpenStudy (anonymous):
no probs - plz click 'good answer' to close question - if u need any more help plz post
OpenStudy (anonymous):
thanx
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