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<h2 class="hd hd-2 unit-title">1.9 Session Overview</h2>
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<p>We describe all solutions to <em>Ax</em> = b based on the free variables and special solutions encoded in the reduced form <em>R.</em></p>
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<h2 class="hd hd-2 unit-title">Lecture Video</h2>
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<h3 class="hd hd-2">Solving Ax = b: Row Reduced Form R</h3>
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<h2 class="hd hd-2 unit-title">Lecture Summary and Reading</h2>
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<h3>Lecture Summary</h3>
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<h3>Suggested Reading</h3>
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<li>Read Section 3.3 through 3.4 in the 4<sup>th</sup> or 5<sup>th</sup> edition.</li>
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<h3 class="hd hd-2">Solving Ax = b</h3>
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<h2 class="hd hd-2 unit-title">Problems and Solutions</h2>
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<p>Work the problems on your own and check your answers when you're done.</p>
<p><a href="/assets/courseware/v1/d885df8a1aeeb1f514f9d89f5618f85e/asset-v1:OCW+18.06SC+2T2019+type@asset+block/18.06_1.9_Exercises.pdf" target="[object Object]">Exercises on solving <em>A</em>x = b and row reduced form <em>R</em> (PDF)</a></p>
<p><a href="/assets/courseware/v1/65d512eb10210845ae9e71b06fa4e293/asset-v1:OCW+18.06SC+2T2019+type@asset+block/18.06_1.9_Solutions.pdf" target="[object Object]">Solutions to solving <em>A</em>x = b and row reduced form <em>R</em> (PDF)</a></p>
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