exam Maths Puzzle Numerical Ability

I need help in solving this equation

2(x+3) = -4(x+1)

This is how I started:
2x+6 = -4x - 4
2x + 6-6 = -4x-4-6
2x = -4x - 2
2x + 4x = -4x+4x-2
6x = 2
(my answer is incorrect)

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