3 deleted 1 character in body edited Feb 22 '17 at 0:19 davidlowryduda♦ 76k11 gold badge5656 silver badges9292 bronze badges What if I try $$2 + 2 = 4 \tag{\href{http://davidlowryduda.com}{davidlowryduda.com}}$$ $$\href{http://google.com}{google.com}$$ Nope. So the best I have is to use $$2 + 2 = 4, \tag{1}$$ (where the entire equation is clickable) or to use $$2 + 2 = 4, \tag{2}$$ where $$(2)$$ is shown at url. [Or equivalently, where (2) is proved at davidlowryduda.com], or whatnot]. What if I try $$2 + 2 = 4 \tag{\href{http://davidlowryduda.com}{davidlowryduda.com}}$$ $$\href{http://google.com}{google.com}$$ Nope. So the best I have is to use $$2 + 2 = 4, \tag{1}$$ (where the entire equation is clickable) or to use $$2 + 2 = 4, \tag{2}$$ where $$(2)$$ is shown at url. [Or equivalently, where (2) is proved at davidlowryduda.com], or whatnot]. What if I try $$2 + 2 = 4 \tag{\href{http://davidlowryduda.com}{davidlowryduda.com}}$$ $$\href{http://google.com}{google.com}$$ Nope. So the best I have is to use $$2 + 2 = 4, \tag{1}$$ (where the entire equation is clickable) or to use $$2 + 2 = 4, \tag{2}$$ where $$(2)$$ is shown at url. [Or equivalently, where (2) is proved at davidlowryduda.com, or whatnot]. 2 added 385 characters in body edited Feb 22 '17 at 0:09 davidlowryduda♦ 76k11 gold badge5656 silver badges9292 bronze badges What if I try $$2 + 2 = 4 \tag{\href{http://davidlowryduda.com}{davidlowryduda.com}}$$ $$\href{http://google.com}{google.com}$$ Nope. So the best I have is to use $$2 + 2 = 4, \tag{1}$$ (where the entire equation is clickable) or to use $$2 + 2 = 4, \tag{2}$$ where $$(2)$$ is shown at url. [Or equivalently, where (2) is proved at davidlowryduda.com], or whatnot]. What if I try $$2 + 2 = 4 \tag{\href{http://davidlowryduda.com}{davidlowryduda.com}}$$ $$\href{http://google.com}{google.com}$$ What if I try $$2 + 2 = 4 \tag{\href{http://davidlowryduda.com}{davidlowryduda.com}}$$ $$\href{http://google.com}{google.com}$$ Nope. So the best I have is to use $$2 + 2 = 4, \tag{1}$$ (where the entire equation is clickable) or to use $$2 + 2 = 4, \tag{2}$$ where $$(2)$$ is shown at url. [Or equivalently, where (2) is proved at davidlowryduda.com], or whatnot]. 1 answered Feb 22 '17 at 0:03 davidlowryduda♦ 76k11 gold badge5656 silver badges9292 bronze badges What if I try $$2 + 2 = 4 \tag{\href{http://davidlowryduda.com}{davidlowryduda.com}}$$ $$\href{http://google.com}{google.com}$$