Question

Evaluate the following a. {42 – (-3 ) } ÷ { -15 – ( -5) – 5 } b. 23 – (- 45 ) +(-156)​

Answer 1

$a)42−(−3) \div −15−(−5)−5 \\ = 45 \div −15−(−5)−5 \\ = 45 \div - 10 - 5 \\ = 45 \div 15 \\ = - 3$

$b)23−(−45)−156 \\ = 68 - 156 \\ = - 88$

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Answer 2

Answer:

a. -3 , b.-88

Step-by-step explanation:

a.{42+3}/{-10-5}                                          

   {45}/{-15}

   45/-15

= -3      

b.23+45+{-156}

  68+{-156}

  68-156

= -88