Question

# Add :- $a+b-3,b-a+3,a-b+3$

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Solution

## To add $a+b-3,b-a+3,a-b+3$:On combining the like terms and adding them we get$=a+b–3+b–a+3+a–b+3\phantom{\rule{0ex}{0ex}}=\left(\overline{)a}-\overline{)a}+a\right)+\left(b+\overline{)b}-\overline{)b}\right)-\overline{)3}+\overline{)3}+3\phantom{\rule{0ex}{0ex}}=a+b+3$Hence, on adding $a+b-3,b-a+3,a-b+3$ we get $a+b+3$.

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