$(- 43) - (- 12) = ?$
$+ 55$
$- 21$
$- 31$
$+ 31$

+ 55

+ 31

- 21

- 31

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Solution

Verified by Toppr

$(- 43) + (+ 12) = - 31$

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(−43)−(−12)=?+55−21−31+31

(−43)+(+12)=−31

$(- 43) - (- 12) = ?$
$+ 55$
$- 21$
$- 31$
$+ 31$

$(- 43) + (+ 12) = - 31$