Question

(b) 12 - 15 - 3(7-5) - 4 +5]​

Answer 1

Answer:

12 - 15 - 21 + 15 - 4 + 5

-3 - 6 + 1

-9 + 1

-8

Answer 2

$\huge\bf { \red S \green O \pink L \blue U \orange T \purple I \red O \pink N \green{...}}$

$\implies \sf12 - 15 - 3(7-5) - 4 +5$

$\implies \sf12 - 15 - 3(2) - 4 +5$

$\implies \sf12 - 15 - 6 - 4 +5$

$\implies \sf17 - 25$

$\implies \sf - 8$