9+9n=10n how do yu solve this problem

-9 = n

Step-by-step explanation:

-9 + 9n = 10n

In order to solve the problem get n on one side and to do that:

Subtract 9n on both sides because 9n is smaller than 10n and is on the same side as an integer

-9 = 1n or -9 = n

That's it!

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3.how is solving radical equations different than solving linear equations?

step-by-step explanation:

c.

step-by-step explanation:

because first you have to add the 4x, 9x, and the 7x together and you get 20x and then you add the last numbers up and you get 5and then you put the subtraction sign in there and that's how you get the answer.