3 years ago

7x+3z-9-9x+2x+6z+11 simplify

Mathematics

1 answer:

erik [133]3 years ago

5 0

Answer: 9z + 2

Step-by-step explanation: you have to add and subtract everything in the equation.

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So 2 pages of her history book in seven minutes.

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Add:

42 + 105 = 147 minutes.

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