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OpenStudy (anonymous):
y = x + 3 y = –2x – 7
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OpenStudy (aroub):
Solve for x and y?
OpenStudy (anonymous):
yes can you help me
OpenStudy (aroub):
Yup
OpenStudy (aroub):
y=x+3 (Eq1) y=-2x-7 (Eq2) => 2(Eq1)+Eq2 2y=2x+6 y=-2x-7 ---------- 3y=1 y=1/3 1/3=x+3 1=3x+9 -3x=8 x=-8/3 check: y=x+3 1/3=-8/3+3 1/3=1/3
OpenStudy (anonymous):
thank you
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