Question

7D%20-%20%7Bl%7D%20" id="TexFormula1" title="1 \div 1 + a {l} - {m} + 1 \div 1 + {m} - {l} " alt="1 \div 1 + a {l} - {m} + 1 \div 1 + {m} - {l} " align="absmiddle" class="latex-formula">
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Answer 1

Answer:

Using BODMAS

first solve division, then go for addition or subtraction

$1 \div 1 + al - m + 1 \div 1 + m - l\\ =(1 \div 1) + al - m +( 1 \div 1) + m - l\\ =1 + al - m + 1 + m - l\\ = 2 + al -l\\=2 + l(a - 1)$