Answer:
All numbers are solutions.
Explanation:
4(x−1)=−4+4x
(4)(x)+(4)(−1)=−4+4x
4x+−4=−4+4x
4x−4=4x−4
4x−4−4x=4x−4−4x
−4=−4
−4+4=−4+4
0=0
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