How do I simplify 3x-8y+9x

asked Feb 12, 2019 189k views

1 vote

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6 votes

You need to put together the numbers that have the same variables

in this case 3x and 9x

3x+9x= 12x

As there is just one y you leave it like that

so the answer is

12x-8y

Arunkjn answered Feb 19, 2019

8.9k points

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