Substitute a = 3 and b = 2 in 7a – 4b - Vidyadip

Question

Substitute $a = 3$ and $b = 2$ in $7a – 4b$

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Answer

The given expression is: $7a – 4b$
Substitute $a = 3, b = 2,$ we get
$7a – 4b = 7 \times 3 – 4 \times 2$
$= 21 – 8$
$= 13.$

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