Question

Find a)(-15) - (-18) b)(-7 + (-8) + ( -90)​

Answer 1

Answer:

a)3 b)-105 is the answer

Answer 2

Step-by-step explanation:

$a). \: \: \: ( - 15) - ( - 18) \\ = - 15 + 18 \\ = 3$

$b). \: \: \: - 7 + ( - 8) + ( - 90) \\ = - 7 - 8 - 90 \\ = - 105$

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