Respuesta :

knbj

Answer:

x=-5

Step-by-step explanation:

First distribute:

10x+30=5x+15+2x

Then combine like-terms:

10x+30=7x+15

Subtract 30 from both sides:

10x=7x-15

Subtract 7x from both sides:

3x=-15

divide both by 3

x=-5

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