3 years ago

2) 16 + -7 Step by step please

Mathematics

1 answer:

gregori [183]3 years ago

4 0

Answer:

Step-by-step explanation:

The rules that you need to know for this question are:

- & - = +

+ & - = -

+ & + = +

So for this question we have 16 + -7 so we need to use the + & - rule. Therefore a plus and a minus make a minus so we do 16-7 which is 9

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