Question

(a) -7-8- (-20) (b) 10-(-10)-(-2)​

Answer 1

did not mean this question.

Answer 2

$\huge{\textbf{{{\color{navy}{An}}{\purple{sw}}{\pink{er࿐}}{\color{pink}{:}}}}}$

$a) - 7 - 8( - 20)$

$\blue{ - 15( - 20)}$

$\blue{ = 300}$

$b) \: 10 - ( - 10) - ( -2 )$

$\blue{10 + 10 + 2}$

$\blue{ = 22}$

Thank you!

@itzshivani