Question

Find the sum of (-7)+(-9)+4+16
Pls step by step explain

Answer 1

Answer:

- into - = +

so -7-9= -16

+into +

so 4+16= 20

Total is = -16+20= -4

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Step-by-step explanation:

Answer 2

$Remember \\ - + = - \\ - - = + \\ + - = - \\ + + = +$

Now do the sums:-

$( - 7) + ( - 9) + 4 + 16$

$= - 7 - 9 + 4 + 16$

( - - = + ), where sign is of big no.

$- 16 + 20$

(- + = -) , where sign is taken by bid no. that is 20

$+ 4$

4 is your answers.

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