Resolver:

-3x-7=x+1

-2x-4=-x-4

2 (2x-3) = 4 - (x-5)

-3 (x+3) = 2 (5x-3) + 10

-4x-6x=-5x-2

7x-8=6x-5

2x-6=x-4

3x-5=4x+1

2x-6=-2x+2

x+7=-2x-2

me Urge!

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Simplify. 9x^8-18x^6