The rule for multiplying and dividing is very similar to the rule for adding and subtracting. a) We have \({+5}\) and \({-4}\). The signs are different, so the answer will be negative. So ...
subtracting a negative number is the same as adding a positive number. So, start at 5, and then move up two spaces to find the answer, 7. This is because the multiplication 3 × 5 is worked out ...
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