Question

Add :$t-8tz,3tz-z,z-t$

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Solution

To add : $t-8tz,3tz-z,z-t$On combining the like terms and adding them we get$\begin{array}{rcl}& =& t–8tz+\left(3tz–z\right)+\left(z–t\right)\\ & =& t–8tz+3tz–z+z–t\\ & =& t–t–8tz+3tz–z+z\\ & =& t\left(1–1\right)+tz\left(-8+3\right)+z\left(-1+1\right)\\ & =& t\left(0\right)+tz\left(-5\right)+z\left(0\right)\\ & =& –5tz\end{array}$Hence, On adding $t-8tz,3tz-z,z-t$ we get $-5tz$.

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