westonl12 westonl12

27-04-2019
Mathematics

contestada

Simplify the expression. -3m + 2n + 9m

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mybdebris mybdebris

27-04-2019

Answer:

Step-by-step explanation:9m -3m +2n = 6m+2n

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sbatrin sbatrin

27-04-2019

Answer:

6m+2n

Step-by-step explanation:

Rearrange the order of the equation so it's like this:

9m-6m+2n

then you subtract 3m from 9m and you get 6m so the answer is 6m+2n

Answer Link

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