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OpenStudy (anonymous):
Solve each system using subtraction. y = x + 4 y = 3x Would it be 3x = x + 4? I have that written down, but then I don't know what to do after that.
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OpenStudy (anonymous):
so you're solving for x & y?
OpenStudy (anonymous):
Yea, it would be 3x=x + 4. After that, solve for x! Do you understand how you got to 3x = x + 4?
OpenStudy (anonymous):
3x=x+4 3x-x=4 2x=4 x=2 Sub x=2 in y=3x y=3(2) y=6 so x=2 and y=6
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