div class=ts-pagebutton class=gotoPage data-page=1Page 1button div class=ts-imageimg data-url=solving-linear-systems-using-substitution-part-2-1-solve-htmlpage=1 data-page=1 class=ts-thumb lazyload alt=Page 1: Solving Linear Systems using Substitution: Part 2 1 Solve loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader034vdocumentinreader034viewer2022042705626611c37a68f0680769ef4chtml5thumbnails1jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=2Page 2button div class=ts-imageimg data-url=solving-linear-systems-using-substitution-part-2-1-solve-htmlpage=2 data-page=2 class=ts-thumb lazyload alt=Page 2: Solving Linear Systems using Substitution: Part 2 1 Solve loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader034vdocumentinreader034viewer2022042705626611c37a68f0680769ef4chtml5thumbnails2jpg width=140 height=200 divdiv