If and
are the AP., find the value of
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Recall![Rendered by QuickLaTeX.com d=T_{2}-T_{1}=T_{3}-T_{2}=...](https://acedstudy.com/wp-content/ql-cache/quicklatex.com-c8a68b5384a365256a4dbbf84c16285a_l3.png)
![Rendered by QuickLaTeX.com \therefore 2x-1-(x+1)=x+5-(2x-1)](https://acedstudy.com/wp-content/ql-cache/quicklatex.com-7d70b448e675c90357aa4a83e792632c_l3.png)
![Rendered by QuickLaTeX.com \Rightarrow 2x-1-x-1=x+5-2x+1](https://acedstudy.com/wp-content/ql-cache/quicklatex.com-fe6776df97717b9862bead7e7f7086fc_l3.png)
![Rendered by QuickLaTeX.com \Rightarrow 2x-x-x+2x=5+1+1+1](https://acedstudy.com/wp-content/ql-cache/quicklatex.com-395820bd3a290cd56cc9ad11b47b740e_l3.png)
![Rendered by QuickLaTeX.com \Rightarrow 2x=8](https://acedstudy.com/wp-content/ql-cache/quicklatex.com-945b8bf0d3292e1cac8cc83e0331fe06_l3.png)
![Rendered by QuickLaTeX.com \therefore x=4](https://acedstudy.com/wp-content/ql-cache/quicklatex.com-8a6156cfd6d3990d16322dc8ca71ba7a_l3.png)
collect like terms
Divide both sides by 2