How do you solve these using elimination?
1,000,000 - 25,000x = y
and
600,000 + 10,000x = y
+14915 How do you solve these using elimination?
1,000,000 - 25,000x = y
and
600,000 + 10,000x = y
\(1,000,000 - 25,000x = y \)
. \(\underline{600,000 \ + 10,000x = y}\) subtract
. \(400,000-35,000x=0\)
\(-35,000x=-400,000\) divide
\(x=11\frac{3}{7}\)
or
\(600,000 + 10,000x = 1,000,000 - 25,000x \)
\(10,000x+25,000x=1,000,000-600,000\)
\(35,000x=400,000\)
\(7x=80\)
\(x=11\frac{3}{7}\)
\(y=600,000 + 10,000x\)
\(y=600,000 + 10,000\times\frac{80}{7}\)
\(y=600,000 + 114,285.7\overline{142857}...\)
\(y= 714,285.7\overline{142857}...\)
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