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Q: What is commutative law of addition to write an equivalent expression of 78 plus yz?

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30 -5 =x

hi

The commutative property for addition is a + b = b + a

A - B = A + (-B) A - B = A + (-B) A - B = A + (-B) A - B = A + (-B)

7r = r + r + r + r + r + r + r or r7

467 + 1

2000+700+80+4

6000 + 100 + 20 + 5

The sum of b and 8 would be written b+8 or 8+b(commutative property of addition)

When you have an algebraic expression, the term is "reducing" the expression when you write the expression in fewer terms or smaller multiples.

How do you write an expression

You could write-9 + 24It's equivalent to 15.

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