Respuesta :

Answer:

x = -11/9

Step-by-step explanation:

First, let's distribute (get rid of parenthesis):

7x + 21 = -2x + 10

Then, let's combine like terms:

7x + 2x = 10 - 21

Then, simplify:

9x = -11

Finally, divide 9 on both sides:

x = -11/9

And we're done!

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