Tell weather each equation has one, zero, or infinitely many solutions. -(2x + 2) - 1 = -x - (x + 3)

asked May 13, 2016 152k views

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$-(2x+2)-1=-x-(x+3) \\ -2x-2-1=-x-x-3 \\ -2x-3=-2x-3 \\ 0=0 \\ always \ true \\ \\ \boxed{\hbox{infinitely many solutions}}$

Petar Velev answered May 17, 2016

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