Simplify the expression 10 – 3b – 4 – 5b and find their value if … - Vidyadip

Question

Simplify the expression $10 – 3b – 4 – 5b$ and find their value if $b = –2.$

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Answer

$=10 – 3b – 4 – 5b$
$=10 – 3b – 4 – 5b$
$= –3b – 5b + 10 – 4 [$rearranging terms$]$
$= –8b + 6$
$= – 8(–2) + 6$
$= 16 + 6= 22$

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