Question

Intrusion 1.you do not write answer 2. you write the step by step Work out: 1) – 3.5 + - 5.7

Answer 1

$\sf{Answer}$

Step by step explanation:-

1) - 3.5 + (-5.7)

Multiply + sign with - sign = -

- 3.5 - 5.7

Take common -

- (3.5 + 5.7)

Now add 3.5 & 5.7

- ( 9.2)

Open the bracket

- 9.2

So, -3.5 + (-5.7) = -9.2

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Know more:-

Multiplication of signs

+ × - = -

- × + = -

+ × + = +

- × - = +