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OpenStudy (anonymous):
Solving System of Equations by Sbstitution. y= -2 4x-3y = 18
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sam (.sam.):
y= -2...............(1) 4x-3y = 18..........(2) Substitute (1) to (2), 4x-3y=18 4x-3(-2)=18 4x+6=18 4x=12 x=3
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