) The sum of 4a-7ab and -3a+2ab is *
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Answer:
A die os rolled . What is the probability that number appearing on the upper surface is less than 3?
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Answer:
a - 5ab
Step-by-step explanation:
(4a - 7ab) + (-3a + 2ab)
Remove brackets
4a - 7ab + -3a + 2ab
plus and minus gives minus
4a - 7ab - 3a + 2ab
group the like terms
4a - 3a - 7ab + 2ab
= a - 5ab
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